MC-3695: Remove Newsletter

- remove backend_block and backend_template

Author: krissyhiserote

app/code/Magento/PageBuilder/etc/content_type.xsd

@@ -15,8 +15,6 @@
                         <xs:all>
                             <xs:element type="xs:string" name="preview_template" minOccurs="0"/>
                             <xs:element type="xs:string" name="render_template" minOccurs="0"/>
-                            <xs:element type="xs:string" name="backend_block" minOccurs="0"/>
-                            <xs:element type="xs:string" name="backend_template" minOccurs="0"/>
                             <xs:element type="parents" name="parents" minOccurs="0" maxOccurs="1"/>
                             <xs:element type="children" name="children" minOccurs="0" maxOccurs="1"/>
                             <xs:element name="appearances" minOccurs="0" maxOccurs="1">

app/code/Magento/PageBuilder/etc/content_type_merged.xsd

@@ -15,8 +15,6 @@
                         <xs:all>
                             <xs:element type="xs:string" name="preview_template" minOccurs="0"/>
                             <xs:element type="xs:string" name="render_template" minOccurs="0"/>
-                            <xs:element type="xs:string" name="backend_block" minOccurs="0"/>
-                            <xs:element type="xs:string" name="backend_template" minOccurs="0"/>
                             <xs:element type="parents" name="parents" minOccurs="0" maxOccurs="1"/>
                             <xs:element type="children" name="children" minOccurs="0" maxOccurs="1"/>
                             <xs:element name="appearances" minOccurs="0" maxOccurs="1">

dev/tests/integration/testsuite/Magento/PageBuilder/_files/content_type/expected_merged_array.php

@@ -218,8 +218,6 @@
             'icon' => 'pagebuilder-type2-custom-icon',
             'component' => 'Path/to/custom/component',
             'preview_component' => 'Path/to/preview/custom/component',
-            'backend_block' => 'Path/to/custom/backend/block',
-            'backend_template' => 'Path/to/custom/backend/template',
             'is_visible' => 'false',
             'form' => 'pagebuilder_type2_custom_form',
             'group' => 'group2',

dev/tests/integration/testsuite/Magento/PageBuilder/_files/content_type/type2_content_type1.xml

@@ -7,8 +7,6 @@
 -->
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_PageBuilder:etc/content_type.xsd">
     <type name="type2" translate="label" label="Type 2" icon="pagebuilder-type2-icon" component="Path/to/component" preview_component="Path/to/preview/component" form="pagebuilder_type2_form" group="group1">
-        <backend_block>Path/to/backend/block</backend_block>
-        <backend_template>Path/to/backend/template</backend_template>
         <is_visible>true</is_visible>
         <parents default_policy="deny">
             <parent name="stage" policy="allow"/>

dev/tests/integration/testsuite/Magento/PageBuilder/_files/content_type/type2_content_type2.xml

@@ -7,8 +7,6 @@
 -->
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_PageBuilder:etc/content_type.xsd">
     <type name="type2" translate="label" sortOrder="2" label="Type 2 Label" icon="pagebuilder-type2-custom-icon" component="Path/to/custom/component" preview_component="Path/to/preview/custom/component" form="pagebuilder_type2_custom_form" group="group2">
-        <backend_block>Path/to/custom/backend/block</backend_block>
-        <backend_template>Path/to/custom/backend/template</backend_template>
         <is_visible>false</is_visible>
         <parents>
             <parent name="stage" policy="deny"/>