remove unnecessary inverse_of

app/models/user.rb

@@ -46,17 +46,15 @@ class User < ApplicationRecord
   attribute :problem_settings, :json
   attribute :file_list_settings, :json
 
-  has_many :access_grants,
+  has_many :access_grants, # rubocop:disable Rails/InverseOf
     class_name: "Doorkeeper::AccessGrant",
     foreign_key: :resource_owner_id,
-    dependent: :delete_all,
-    inverse_of: :resource_owner
+    dependent: :delete_all
 
-  has_many :access_tokens,
+  has_many :access_tokens, # rubocop:disable Rails/InverseOf
     class_name: "Doorkeeper::AccessToken",
     foreign_key: :resource_owner_id,
-    dependent: :delete_all,
-    inverse_of: :resource_owner
+    dependent: :delete_all
 
   has_many :oauth_applications,
     class_name: "Doorkeeper::Application",