Removed rubocop disable flags, updated changelog

changelogs/unreleased/63502-encrypt-deploy-token.yml

 ---
-title: Encrypt existing deploy tokens and new ones when storing them
+title: Encrypt existing and new deploy tokens
 merge_request: 30679
 author:
-type: security
+type: other

lib/gitlab/auth.rb

@@ -198,7 +198,6 @@ module Gitlab
         end.uniq
       end
 
-      # rubocop: disable CodeReuse/ActiveRecord
       def deploy_token_check(login, password)
         return unless password.present?
 
@@ -213,7 +212,6 @@ module Gitlab
           Gitlab::Auth::Result.new(token, token.project, :deploy_token, scopes)
         end
       end
-      # rubocop: enable CodeReuse/ActiveRecord
 
       def lfs_token_check(login, encoded_token, project)
         deploy_key_matches = login.match(/\Alfs\+deploy-key-(\d+)\z/)