Dry feature check into a method

ee/app/models/concerns/approvable_for_rule.rb

@@ -16,7 +16,7 @@ module ApprovableForRule
 
   FORWARDABLE_METHODS.each do |method|
     define_method(method) do |*args|
-      return super(*args) if ::Feature.disabled?(:approval_rules, project)
+      return super(*args) if approval_rules_disabled?
 
       approval_state.public_send(method, *args) # rubocop:disable GitlabSecurity/PublicSend
     end

ee/app/models/concerns/visible_approvable_for_rule.rb

@@ -4,13 +4,13 @@
 # that include the Approvable concern
 module VisibleApprovableForRule
   def approvers_left
-    return super if ::Feature.disabled?(:approval_rules, project)
+    return super if approval_rules_disabled?
 
     approval_state.unactioned_approvers
   end
 
   def overall_approvers(exclude_code_owners: false)
-    return super if ::Feature.disabled?(:approval_rules, project)
+    return super if approval_rules_disabled?
 
     options = { target: :users }
     options[:code_owner] = false if exclude_code_owners
@@ -21,15 +21,19 @@ module VisibleApprovableForRule
   end
 
   def all_approvers_including_groups
-    return super if ::Feature.disabled?(:approval_rules, project)
+    return super if approval_rules_disabled?
 
     approval_state.approvers
   end
 
   def approvers_from_groups
-    return super if ::Feature.disabled?(:approval_rules, project)
+    return super if approval_rules_disabled?
 
     groups = approval_state.wrapped_approval_rules.flat_map(&:groups)
     User.joins(:group_members).where(members: { source_id: groups })
   end
+
+  def approval_rules_disabled?
+    ::Feature.disabled?(:approval_rules, project)
+  end
 end