Merge pull request rails#50675 from gareth/remove-redundant-restricted-class-method

Remove redundant `parent` method from RESTRICTED_CLASS_METHODS

Author: rafaelfranca

activerecord/lib/active_record/attribute_methods.rb

@@ -20,7 +20,7 @@ module AttributeMethods
       include Serialization
     end
 
-    RESTRICTED_CLASS_METHODS = %w(private public protected allocate new name parent superclass)
+    RESTRICTED_CLASS_METHODS = %w(private public protected allocate new name superclass)
 
     class GeneratedAttributeMethods < Module # :nodoc:
       LOCK = Monitor.new

activerecord/test/cases/enum_test.rb

@@ -535,7 +535,7 @@ def self.name; "Book"; end
       :save,     # generates #save!, which conflicts with an AR method
       :proposed, # same value as an existing enum
       :public, :private, :protected, # some important methods on Module and Class
-      :name, :parent, :superclass,
+      :name, :superclass,
       :id        # conflicts with AR querying
     ]
 

activerecord/test/cases/scoping/named_scoping_test.rb

@@ -363,7 +363,6 @@ def pro; end
       :protected,
       :private,
       :name,
-      :parent,
       :superclass
     ]