clean code

src/client/js/hackmd-agent.js

@@ -143,7 +143,6 @@ function connectToParentWithPenpal() {
   console.log('[HackMD] Loading GROWI agent for HackMD...');
 
   window.addEventListener('load', (event) => {
-    console.log('loaded');
     addEventListenersToCodemirror();
   });