Remove key sharing feature flag

Author: jryans

src/components/views/dialogs/InviteDialog.tsx

@@ -712,8 +712,7 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
                 this.props.onFinished();
             }
 
-            if (cli.isRoomEncrypted(this.props.roomId) &&
-                SettingsStore.getValue("feature_room_history_key_sharing")) {
+            if (cli.isRoomEncrypted(this.props.roomId)) {
                 const visibilityEvent = room.currentState.getStateEvents(
                     "m.room.history_visibility", "",
                 );
@@ -1344,8 +1343,7 @@ export default class InviteDialog extends React.PureComponent<IInviteDialogProps
             buttonText = _t("Invite");
             goButtonFn = this._inviteUsers;
 
-            if (SettingsStore.getValue("feature_room_history_key_sharing") &&
-                cli.isRoomEncrypted(this.props.roomId)) {
+            if (cli.isRoomEncrypted(this.props.roomId)) {
                 const room = cli.getRoom(this.props.roomId);
                 const visibilityEvent = room.currentState.getStateEvents(
                     "m.room.history_visibility", "",

src/settings/Settings.ts

@@ -220,12 +220,6 @@ export const SETTINGS: {[setting: string]: ISetting} = {
         supportedLevels: LEVELS_FEATURE,
         default: false,
     },
-    "feature_room_history_key_sharing": {
-        isFeature: true,
-        displayName: _td("Share decryption keys for room history when inviting users"),
-        supportedLevels: LEVELS_FEATURE,
-        default: true,
-    },
     "advancedRoomListLogging": {
         // TODO: Remove flag before launch: https://github.com/vector-im/element-web/issues/14231
         displayName: _td("Enable advanced debugging for the room list"),