Remove obsolete error handling callback
Remove obsolete error handling callback

mantoni/mochify.js,mantoni/mochify.js,Heng-xiu/mochify.js,Heng-xiu/mochify.js,jhytonen/mochify.js,Swaagie/mochify.js,Swaagie/mochify.js,boneskull/mochify.js,mantoni/mochify.js,jhytonen/mochify.js,boneskull/mochify.js