MC-975: Editing Text content block on Pagebuilder does not indicate Textarea is required

- make field not required
- remove error messaging

Author: anthoula

app/code/Magento/PageBuilder/view/adminhtml/ui_component/pagebuilder_text_form.xml

@@ -74,7 +74,7 @@
         <settings>
             <label/>
         </settings>
-        <field name="content" formElement="wysiwyg" template="Magento_PageBuilder/content/content">
+        <field name="content" formElement="wysiwyg">
             <argument name="data" xsi:type="array">
                 <item name="config" xsi:type="array">
                     <item name="source" xsi:type="string">page</item>
@@ -88,9 +88,6 @@
                 <additionalClasses>
                     <class name="admin__field-wide">true</class>
                 </additionalClasses>
-                <validation>
-                    <rule name="required-entry" xsi:type="boolean">true</rule>
-                </validation>
                 <label/>
                 <dataScope>content</dataScope>
             </settings>