public function getRemoveFriend($id)
 {
     $user = Friend::where(['user1_id' => Auth::id(), 'user2_id' => $id])->first();
     Friend::destroy($user->id);
     $friend = Friend::where(['user2_id' => Auth::id(), 'user1_id' => $id])->first();
     Friend::destroy($friend->id);
     return Redirect::back();
 }