remove gem build file
remove gem build file

gentoid/activeadmin_settings_cached,artofhuman/activeadmin_settings_cached,dkniffin/activeadmin_settings_cached,artofhuman/activeadmin_settings_cached,damianogiacomello/activeadmin_settings_cached,damianogiacomello/activeadmin_settings_cached,gentoid/activeadmin_settings_cached,dkniffin/activeadmin_settings_cached