Revert pull request #188 from metaist/master

use mouse wheel scroll to increase/decrease speed

Not working in Firefox

inject.js

@@ -121,13 +121,6 @@ chrome.runtime.sendMessage({}, function(response) {
         </div>
       `;
       shadow.innerHTML = shadowTemplate;
-      shadow.querySelector('#controller').addEventListener('wheel', (e) => {
-        runAction(e.wheelDelta > 0 ? 'faster' : 'slower', document);
-        e.preventDefault();
-        e.stopPropagation();
-      });
-
-
       shadow.querySelector('.draggable').addEventListener('mousedown', (e) => {
         runAction(e.target.dataset['action'], document);
       });