Consolidate forwarding for approvers_overwritten?

ee/app/models/approval_state.rb

@@ -38,6 +38,7 @@ class ApprovalState
   def approval_rules_overwritten?
     merge_request.approval_rules.regular.exists?
   end
+  alias_method :approvers_overwritten?, :approval_rules_overwritten?
 
   def approval_needed?
     return false unless project.feature_available?(:merge_request_approvers)

ee/app/models/concerns/approvable_for_rule.rb

@@ -11,6 +11,7 @@ module ApprovableForRule
     has_approved?
     any_approver_allowed?
     authors_can_approve?
+    approvers_overwritten?
   }.freeze
 
   FORWARDABLE_METHODS.each do |method|
@@ -20,10 +21,4 @@ module ApprovableForRule
       approval_state.public_send(method, *args) # rubocop:disable GitlabSecurity/PublicSend
     end
   end
-
-  def approvers_overwritten?
-    return super if ::Feature.disabled?(:approval_rules, project)
-
-    approval_state.approval_rules_overwritten?
-  end
 end