deleteBackup() public method

Delete the given backup-file
public deleteBackup ( $timestamp )
$timestamp
 /**
  * @param $timestamp
  * @return \Illuminate\Http\RedirectResponse
  */
 public function deleteBackup($timestamp)
 {
     $env = new Env();
     $env->deleteBackup($timestamp);
     return back()->with('dotenv', trans('dotenv-editor::views.controller_backup_deleted'));
 }