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

This reverts commit 21ad4734fa.

src/@ionic-native/plugins/file-opener/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 Opener
@@ -29,6 +29,7 @@ import { Cordova, IonicNativePlugin, Plugin } from '@ionic-native/core';
 })
 @Injectable()
 export class FileOpener extends IonicNativePlugin {
+
   /**
    * Open an file
    * @param filePath {string} File Path
@@ -40,9 +41,7 @@ export class FileOpener extends IonicNativePlugin {
     successName: 'success',
     errorName: 'error'
   })
-  open(filePath: string, fileMIMEType: string): Promise<any> {
-    return;
-  }
+  open(filePath: string, fileMIMEType: string): Promise<any> { return; }
 
   /**
    * Uninstalls a package
@@ -54,9 +53,7 @@ export class FileOpener extends IonicNativePlugin {
     successName: 'success',
     errorName: 'error'
   })
-  uninstall(packageId: string): Promise<any> {
-    return;
-  }
+  uninstall(packageId: string): Promise<any> { return; }
 
   /**
    * Check if an app is already installed
@@ -68,7 +65,6 @@ export class FileOpener extends IonicNativePlugin {
     successName: 'success',
     errorName: 'error'
   })
-  appIsInstalled(packageId: string): Promise<any> {
-    return;
-  }
+  appIsInstalled(packageId: string): Promise<any> { return; }
+
 }