fix(web-intent): rename onNewIntent to onIntent

The `onNewIntent` function doesn't exist in `darryncampbell-cordova-plugin-intent`, it's actually called `onIntent`.

src/@ionic-native/plugins/web-intent/index.ts

@@ -147,12 +147,13 @@ export class WebIntent extends IonicNativePlugin {
   getUri(): Promise<string> { return; };
 
   /**
+   * Returns the content of the intent used whenever the application activity is launched
    * @returns {Observable<string>}
    */
   @Cordova({
     observable: true
   })
-  onNewIntent(): Observable<string> { return; };
+  onIntent(): Observable<string> { return; };
 
   /**
    * Sends a custom intent passing optional extras
@@ -175,12 +176,6 @@ export class WebIntent extends IonicNativePlugin {
   @Cordova({ sync: true })
   unregisterBroadcastReceiver(): void { }
 
-  /**
-  * Returns the content of the intent used whenever the application activity is launched
-  */
-  @Cordova({ sync: true })
-  onIntent(): void { }
-
   /**
   *
   */