Remove unused "mention_users" permission from the roles table (#37974).

git-svn-id: https://svn.redmine.org/redmine/trunk@22347 e93f8b46-1217-0410-a6f0-8f06a7374b81

db/migrate/20231012112407_remove_mention_users_permission.rb

@@ -0,0 +1,12 @@
+class RemoveMentionUsersPermission < ActiveRecord::Migration[6.1]
+  def up
+    Role.reset_column_information
+    Role.all.each do |r|
+      r.remove_permission!(:mention_users) if r.has_permission?(:mention_users)
+    end
+  end
+
+  def down
+    # no-op
+  end
+end