Remove AbstractPlatform constants

Author: morozov

UPGRADE.md

@@ -8,6 +8,10 @@ awareness about deprecated code.
 
 # Upgrade to 5.0
 
+## BC BREAK: Removed `AbstractPlatform` constants
+
+The `CREATE_INDEXES` and `CREATE_FOREIGNKEYS` constants have been removed from the `AbstractPlatform` class.
+
 ## BC BREAK: Add `Result::getColumnName()`
 
 A new method `getColumnName()` has been added to the `Result` interface and must be implemented by

src/Platforms/AbstractPlatform.php

@@ -72,12 +72,6 @@
  */
 abstract class AbstractPlatform
 {
-    /** @deprecated */
-    public const CREATE_INDEXES = 1;
-
-    /** @deprecated */
-    public const CREATE_FOREIGNKEYS = 2;
-
     /** @var string[]|null */
     protected ?array $doctrineTypeMapping = null;