public function unVote($id, Request $request)
 {
     $votes = Competitor::findOrFail($id)->votes;
     foreach ($votes as $vote) {
         if ($vote->ip == $request->getClientIp()) {
             $vote->delete();
         }
     }
 }
 public function deleteCompetitor($id)
 {
     $competitor = Competitor::findOrFail($id);
     $competitor->is_deleted = abs($competitor->is_deleted - 1);
     $competitor->save();
     return redirect()->back();
 }
 public function destroy($id)
 {
     Competitor::findOrFail($id)->delete();
     return redirect('/admin/competitors')->with('status', 'Versenyző törölve');
 }