AC-11995:Add compatibility with MySQL 8.4 LTS for Magento CE

Author: glo17680

app/code/Magento/Catalog/etc/db_schema.xml

@@ -31,9 +31,6 @@
         <index referenceId="CATALOG_PRODUCT_ENTITY_SKU" indexType="btree">
             <column name="sku"/>
         </index>
-<!--        <constraint xsi:type="unique" referenceId="CATALOG_PRODUCT_ENTITY_ENTITY_ID">-->
-<!--            <column name="entity_id"/>-->
-<!--        </constraint>-->
     </table>
     <table name="catalog_product_entity_datetime" resource="default" engine="innodb"
            comment="Catalog Product Datetime Attribute Backend Table">

dev/tests/setup-integration/_files/Magento/TestSetupDeclarationModule1/fixture/declarative_installer/constraint_modification.mysql829.php

@@ -26,8 +26,7 @@
   `bigint_not_default_not_nullable` bigint unsigned NOT NULL,
   `smallint_ref` smallint NOT NULL DEFAULT \'0\',
   PRIMARY KEY (`tinyint_ref`,`smallint_ref`),
-  UNIQUE KEY `REFERENCE_TABLE_SMALLINT_REF` (`smallint_ref`),
-  UNIQUE KEY `REFERENCE_TABLE_TINYINT_REF` (`tinyint_ref`)
+  UNIQUE KEY `REFERENCE_TABLE_SMALLINT_REF` (`smallint_ref`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3',
     'test_table' => 'CREATE TABLE `test_table` (
   `smallint` smallint DEFAULT NULL,

dev/tests/setup-integration/_files/Magento/TestSetupDeclarationModule1/revisions/constraint_modifications/db_schema.xml

@@ -29,9 +29,6 @@
         <constraint xsi:type="unique" referenceId="REFERENCE_TABLE_SMALLINT_REF">
             <column name="smallint_ref"/>
         </constraint>
-        <constraint xsi:type="unique" referenceId="REFERENCE_TABLE_TINYINT_REF">
-            <column name="tinyint_ref"/>
-        </constraint>
     </table>
     <table name="auto_increment_test" resource="default">
         <column xsi:type="int" name="int_auto_increment_with_nullable" identity="true" padding="12" unsigned="true"