/**
  * Remove the specified resource from storage.
  *
  * @param  string  $id
  * @return Response
  */
 public function destroy($id)
 {
     try {
         Application::ownBy($this->user)->where('_id', $id)->delete();
         Token::where('app_id', $id)->where('user_id', $this->user->id)->delete();
         session()->flash('success', 'Application is successfully deleted.');
     } catch (\Exception $e) {
         session()->flash('error', 'Error occured to delete application.');
     }
     return back();
 }