Revert "chore(package): bump dependencies and lint rules"

This reverts commit 21ad4734fa.

src/@ionic-native/plugins/file-chooser/index.ts

@@ -1,5 +1,5 @@
 import { Injectable } from '@angular/core';
-import { Cordova, IonicNativePlugin, Plugin } from '@ionic-native/core';
+import { Plugin, Cordova, IonicNativePlugin } from '@ionic-native/core';
 
 /**
  * @name File Chooser
@@ -30,12 +30,12 @@ import { Cordova, IonicNativePlugin, Plugin } from '@ionic-native/core';
 })
 @Injectable()
 export class FileChooser extends IonicNativePlugin {
+
   /**
    * Open a file
    * @returns {Promise<string>}
    */
   @Cordova()
-  open(): Promise<string> {
-    return;
-  }
+  open(): Promise<string> { return; }
+
 }