/**
  * Remove the specified resource from storage.
  *
  * @param  int  $id
  * @return \Illuminate\Http\Response
  */
 public function destroy($id)
 {
     $trainer_course = TrainerCourse::whereid($id);
     $trainer_course->delete();
     return redirect('/trainer_course')->with('status', 'Trainer & Course deleted successfully');
 }