Backed out changeset 0685c59d2e94 (bug 1034129) for dt test failures

browser/devtools/debugger/debugger-controller.js

@@ -1711,10 +1711,6 @@ EventListeners.prototype = {
         throw "Error getting event listeners: " + aResponse.message;
       }
 
-      // Make sure all the listeners are sorted by the event type, since
-      // they're not guaranteed to be clustered together.
-      aResponse.listeners.sort((a, b) => a.type > b.type ? 1 : -1);
-
       // Add all the listeners in the debugger view event linsteners container.
       for (let listener of aResponse.listeners) {
         let definitionSite = yield this._getDefinitionSite(listener.function);