public function delete()
 {
     $users = User::all();
     $team = teams::findorfail(Auth::User()->team_id);
     foreach ($users as $user) {
         if ($user->team_id == $team->id) {
             $user->team_id = 0;
             $user->save();
             $input['user_id'] = $user->id;
             $input['alert_id'] = 3;
             $input['team_id'] = $team->id;
             user_alert::create($input);
         }
     }
     $team_input['id'] = $team->id;
     $team_input['captain_id'] = $team->captain_id;
     $team_input['name'] = $team->name;
     deleted_teams::create($team_input);
     $team->delete();
     return redirect('home');
 }