Bye line things (#727)

line/line-openapi#112

It has been already gone.
Therefore this change cleans up definition of `ThingsEvent` as one of
webhook event.

---------

Co-authored-by: github-actions <[email protected]>

Author: github-actions[bot]

docs/indices/files.html

@@ -131,8 +131,6 @@ <h3>A</h3>
                     <li><a href="files/src-clients-messaging-api-lib-model-acquisitionconditionrequest.html"><abbr title="src/clients/messaging-api/lib/Model/AcquisitionConditionRequest.php">AcquisitionConditionRequest.php</abbr></a></li>
                     <li><a href="files/src-clients-messaging-api-lib-model-acquisitionconditionresponse.html"><abbr title="src/clients/messaging-api/lib/Model/AcquisitionConditionResponse.php">AcquisitionConditionResponse.php</abbr></a></li>
                     <li><a href="files/src-clients-messaging-api-lib-model-action.html"><abbr title="src/clients/messaging-api/lib/Model/Action.php">Action.php</abbr></a></li>
-                    <li><a href="files/src-webhook-lib-model-actionresult.html"><abbr title="src/webhook/lib/Model/ActionResult.php">ActionResult.php</abbr></a></li>
-                    <li><a href="files/src-webhook-test-model-actionresulttest.html"><abbr title="src/webhook/test/Model/ActionResultTest.php">ActionResultTest.php</abbr></a></li>
                     <li><a href="files/src-constants-actiontype.html"><abbr title="src/constants/ActionType.php">ActionType.php</abbr></a></li>
                     <li><a href="files/src-webhook-lib-model-activatedevent.html"><abbr title="src/webhook/lib/Model/ActivatedEvent.php">ActivatedEvent.php</abbr></a></li>
                     <li><a href="files/src-webhook-test-model-activatedeventtest.html"><abbr title="src/webhook/test/Model/ActivatedEventTest.php">ActivatedEventTest.php</abbr></a></li>
@@ -457,8 +455,6 @@ <h3>L</h3>
                     <li><a href="files/src-clients-messaging-api-lib-model-limit.html"><abbr title="src/clients/messaging-api/lib/Model/Limit.php">Limit.php</abbr></a></li>
                     <li><a href="files/src-webhook-lib-model-linkcontent.html"><abbr title="src/webhook/lib/Model/LinkContent.php">LinkContent.php</abbr></a></li>
                     <li><a href="files/src-webhook-test-model-linkcontenttest.html"><abbr title="src/webhook/test/Model/LinkContentTest.php">LinkContentTest.php</abbr></a></li>
-                    <li><a href="files/src-webhook-lib-model-linkthingscontent.html"><abbr title="src/webhook/lib/Model/LinkThingsContent.php">LinkThingsContent.php</abbr></a></li>
-                    <li><a href="files/src-webhook-test-model-linkthingscontenttest.html"><abbr title="src/webhook/test/Model/LinkThingsContentTest.php">LinkThingsContentTest.php</abbr></a></li>
                     <li><a href="files/src-clients-messaging-api-lib-model-locationaction.html"><abbr title="src/clients/messaging-api/lib/Model/LocationAction.php">LocationAction.php</abbr></a></li>
                     <li><a href="files/src-clients-messaging-api-lib-model-locationmessage.html"><abbr title="src/clients/messaging-api/lib/Model/LocationMessage.php">LocationMessage.php</abbr></a></li>
                     <li><a href="files/src-webhook-lib-model-locationmessagecontent.html"><abbr title="src/webhook/lib/Model/LocationMessageContent.php">LocationMessageContent.php</abbr></a></li>
@@ -593,10 +589,6 @@ <h3>R</h3>
                 </ul>
                                     <h3>S</h3>
         <ul class="phpdocumentor-list">
-                    <li><a href="files/src-webhook-lib-model-scenarioresult.html"><abbr title="src/webhook/lib/Model/ScenarioResult.php">ScenarioResult.php</abbr></a></li>
-                    <li><a href="files/src-webhook-test-model-scenarioresulttest.html"><abbr title="src/webhook/test/Model/ScenarioResultTest.php">ScenarioResultTest.php</abbr></a></li>
-                    <li><a href="files/src-webhook-lib-model-scenarioresultthingscontent.html"><abbr title="src/webhook/lib/Model/ScenarioResultThingsContent.php">ScenarioResultThingsContent.php</abbr></a></li>
-                    <li><a href="files/src-webhook-test-model-scenarioresultthingscontenttest.html"><abbr title="src/webhook/test/Model/ScenarioResultThingsContentTest.php">ScenarioResultThingsContentTest.php</abbr></a></li>
                     <li><a href="files/src-clients-messaging-api-lib-model-sender.html"><abbr title="src/clients/messaging-api/lib/Model/Sender.php">Sender.php</abbr></a></li>
                     <li><a href="files/src-clients-messaging-api-lib-model-sentmessage.html"><abbr title="src/clients/messaging-api/lib/Model/SentMessage.php">SentMessage.php</abbr></a></li>
                     <li><a href="files/src-clients-messaging-api-lib-model-setwebhookendpointrequest.html"><abbr title="src/clients/messaging-api/lib/Model/SetWebhookEndpointRequest.php">SetWebhookEndpointRequest.php</abbr></a></li>
@@ -630,10 +622,6 @@ <h3>T</h3>
                     <li><a href="files/src-webhook-lib-model-textmessagecontent.html"><abbr title="src/webhook/lib/Model/TextMessageContent.php">TextMessageContent.php</abbr></a></li>
                     <li><a href="files/src-webhook-test-model-textmessagecontenttest.html"><abbr title="src/webhook/test/Model/TextMessageContentTest.php">TextMessageContentTest.php</abbr></a></li>
                     <li><a href="files/src-clients-messaging-api-lib-model-textmessagev2.html"><abbr title="src/clients/messaging-api/lib/Model/TextMessageV2.php">TextMessageV2.php</abbr></a></li>
-                    <li><a href="files/src-webhook-lib-model-thingscontent.html"><abbr title="src/webhook/lib/Model/ThingsContent.php">ThingsContent.php</abbr></a></li>
-                    <li><a href="files/src-webhook-test-model-thingscontenttest.html"><abbr title="src/webhook/test/Model/ThingsContentTest.php">ThingsContentTest.php</abbr></a></li>
-                    <li><a href="files/src-webhook-lib-model-thingsevent.html"><abbr title="src/webhook/lib/Model/ThingsEvent.php">ThingsEvent.php</abbr></a></li>
-                    <li><a href="files/src-webhook-test-model-thingseventtest.html"><abbr title="src/webhook/test/Model/ThingsEventTest.php">ThingsEventTest.php</abbr></a></li>
                     <li><a href="files/src-constants-thingseventtype.html"><abbr title="src/constants/ThingsEventType.php">ThingsEventType.php</abbr></a></li>
                     <li><a href="files/src-constants-thingsresultcontenttype.html"><abbr title="src/constants/ThingsResultContentType.php">ThingsResultContentType.php</abbr></a></li>
                 </ul>
@@ -643,8 +631,6 @@ <h3>U</h3>
                     <li><a href="files/src-clients-messaging-api-lib-model-uriimagemapaction.html"><abbr title="src/clients/messaging-api/lib/Model/URIImagemapAction.php">URIImagemapAction.php</abbr></a></li>
                     <li><a href="files/src-webhook-lib-model-unfollowevent.html"><abbr title="src/webhook/lib/Model/UnfollowEvent.php">UnfollowEvent.php</abbr></a></li>
                     <li><a href="files/src-webhook-test-model-unfolloweventtest.html"><abbr title="src/webhook/test/Model/UnfollowEventTest.php">UnfollowEventTest.php</abbr></a></li>
-                    <li><a href="files/src-webhook-lib-model-unlinkthingscontent.html"><abbr title="src/webhook/lib/Model/UnlinkThingsContent.php">UnlinkThingsContent.php</abbr></a></li>
-                    <li><a href="files/src-webhook-test-model-unlinkthingscontenttest.html"><abbr title="src/webhook/test/Model/UnlinkThingsContentTest.php">UnlinkThingsContentTest.php</abbr></a></li>
                     <li><a href="files/src-webhook-lib-model-unsenddetail.html"><abbr title="src/webhook/lib/Model/UnsendDetail.php">UnsendDetail.php</abbr></a></li>
                     <li><a href="files/src-webhook-test-model-unsenddetailtest.html"><abbr title="src/webhook/test/Model/UnsendDetailTest.php">UnsendDetailTest.php</abbr></a></li>
                     <li><a href="files/src-webhook-lib-model-unsendevent.html"><abbr title="src/webhook/lib/Model/UnsendEvent.php">UnsendEvent.php</abbr></a></li>