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

This reverts commit 21ad4734fa.

src/@ionic-native/plugins/gyroscope/index.ts

@@ -1,6 +1,6 @@
-import { Injectable } from '@angular/core';
-import { Cordova, IonicNativePlugin, Plugin } from '@ionic-native/core';
+import { Plugin, Cordova, IonicNativePlugin } from '@ionic-native/core';
 import { Observable } from 'rxjs/Observable';
+import { Injectable } from '@angular/core';
 
 declare const navigator: any;
 
@@ -82,20 +82,19 @@ export interface GyroscopeOptions {
 })
 @Injectable()
 export class Gyroscope extends IonicNativePlugin {
+
   /**
    * Watching for gyroscope sensor changes
    * @param {GyroscopeOptions} [options]
    * @return {Observable<GyroscopeOrientation>} Returns an Observable that resolves GyroscopeOrientation
    */
   watch(options?: GyroscopeOptions): Observable<GyroscopeOrientation> {
-    return new Observable<GyroscopeOrientation>((observer: any) => {
-      let watchId = navigator.gyroscope.watch(
-        observer.next.bind(observer),
-        observer.next.bind(observer),
-        options
-      );
-      return () => navigator.gyroscope.clearWatch(watchId);
-    });
+    return new Observable<GyroscopeOrientation>(
+      (observer: any) => {
+        let watchId = navigator.gyroscope.watch(observer.next.bind(observer), observer.next.bind(observer), options);
+        return () => navigator.gyroscope.clearWatch(watchId);
+      }
+    );
   }
 
   /**
@@ -106,7 +105,5 @@ export class Gyroscope extends IonicNativePlugin {
   @Cordova({
     callbackOrder: 'reverse'
   })
-  getCurrent(options?: GyroscopeOptions): Promise<GyroscopeOrientation> {
-    return;
-  }
+  getCurrent(options?: GyroscopeOptions): Promise<GyroscopeOrientation> { return; }
 }