/**
  * Remove the specified resource from storage.
  *
  * @param  \Illuminate\Http\Request  $request
  * @return \Illuminate\Http\Response
  */
 public function destroy(Request $request)
 {
     $result = User::whereIn('username', $request->input('usernames'))->delete();
     return response()->json(['status' => $result ? 0 : 2]);
 }