fix(mobile): remove unused App import and define StatusBar methods

externs.js

@@ -167,3 +167,7 @@ var openDirectoryOptions;
  * @param {function} cb
  */
 var openDirectory = function(options, cb) {};
+var StatusBar;
+StatusBar.setStyle = {}
+StatusBar.setBackgroundColor = {}
+StatusBar.setOverlaysWebView = {}

src/main/mobile/externals.js

@@ -1,7 +1,6 @@
 import { Keyboard } from '@capacitor/keyboard'
 import { Capacitor } from '@capacitor/core'
 import { StatusBar, Style } from '@capacitor/status-bar'
-import { App } from '@capacitor/app'
 
 function initGlobalListeners (opts = {}) {
   console.debug('[externals] init global listeners')