google: remove unused code

src/Google.js

@@ -76,12 +76,9 @@ export default class Google extends React.Component{
             yesIWantToUseGoogleMapApiInternals
             layerTypes={['TrafficLayer', 'TransitLayer']}
             onClick={(e, c) => this.addMarker(e, c)}
-
             draggable={this.state.draggable}
             onChildMouseDown={this.onMarkerInteraction}
             onChildMouseUp={this.updateMarker}
-            onChildMouseMove={this.onMarkerInteraction}
-            onChildClick={() => console.log('child click')}
           >
             {this.state.path.map((pos, idx) =>
               <Marker