Remove console.logs

Using console in production is generally undesirable due to
performance loss and security concerns. Errors were changed
to console.error and console.logs were removed.

browser/main/lib/eventEmitter.js

@@ -14,7 +14,6 @@ function once (name, listener) {
 }
 
 function emit (name, ...args) {
-  console.log(name)
   remote.getCurrentWindow().webContents.send(name, ...args)
 }