MC-3479: Remove Accordion

- remove accordion files

Author: krissyhiserote

app/code/Magento/PageBuilder/etc/adminhtml/di.xml

@@ -198,17 +198,6 @@
             </argument>
         </arguments>
     </virtualType>
-    <virtualType name="AppearanceSourceAccordion" type="Magento\PageBuilder\Model\Source\VisualSelect">
-        <arguments>
-            <argument name="optionsSize" xsi:type="string">large</argument>
-            <argument name="optionsData" xsi:type="array">
-                <item name="0" xsi:type="array">
-                    <item name="value" xsi:type="string">default</item>
-                    <item name="title" xsi:type="string" translate="true">Default</item>
-                </item>
-            </argument>
-        </arguments>
-    </virtualType>
     <virtualType name="AppearanceSourceAnchor" type="Magento\PageBuilder\Model\Source\VisualSelect">
         <arguments>
             <argument name="optionsSize" xsi:type="string">large</argument>

app/code/Magento/PageBuilder/i18n/en_US.csv

@@ -70,9 +70,7 @@ Grid,Grid
 "Advanced Content Tools","Advanced Content Tools"
 "Enable Page Builder","Enable Page Builder"
 "Includes advanced tools to design page layouts, add Magento content (Product and Category data, CMS content and Blocks), and format text.<br /><br />For Product Attributes — Page Builder can be selected as the “input type” to design layouts and create content.","Includes advanced tools to design page layouts, add Magento content (Product and Category data, CMS content and Blocks), and format text.<br /><br />For Product Attributes — Page Builder can be selected as the “input type” to design layouts and create content."
-Accordion,Accordion
 Appearance,Appearance
-"Add New Accordion Item","Add New Accordion Item"
 Title,Title
 Content,Content
 "Open on Load?","Open on Load?"