Enabled media-gallery by default

Author: magefan

view/adminhtml/ui_component/blog_post_form.xml

@@ -356,7 +356,6 @@
             </argument>
         </field>
     </fieldset>
-    <!-- Revert htmlContent to enable post gallery images on Magento 2.2.2
     <htmlContent name="gallery" sortOrder="22">
         <argument name="data" xsi:type="array">
             <item name="wrapper" xsi:type="array">
@@ -381,7 +380,6 @@
             </block>
         </block>
     </htmlContent>
-    -->
     <fieldset name="search_engine_optimization">
         <argument name="data" xsi:type="array">
             <item name="config" xsi:type="array">