refactor(state-changed): Removed state-changed event

Implements tur-nr#127

polymer-redux.js

@@ -10,7 +10,7 @@ import {get} from '../@polymer/polymer/lib/utils/path.js';
  * @param {Object} store Redux store.
  * @return {Function} Class mixin.
  */
-export default function PolymerRedux(store, mixinProperties = { enableStateChangedEvent: true }) {
+export default function PolymerRedux(store) {
 	if (!store) {
 		throw new TypeError('PolymerRedux: expecting a redux store.');
 	} else if (!['getState', 'dispatch', 'subscribe'].every(k => typeof store[k] === 'function')) {
@@ -70,11 +70,6 @@ export default function PolymerRedux(store, mixinProperties = { enableStateChang
 		const unsubscribe = store.subscribe(() => {
 			const detail = store.getState();
 			update(detail);
-
-			if (mixinProperties.enableStateChangedEvent) {
-				element.dispatchEvent(new CustomEvent('state-changed', {detail}));
-			}
-
 		});
 
 		subscribers.set(element, unsubscribe);