Vsch\TranslationManager\Manager::truncateTranslations PHP Method

    public function truncateTranslations($group = null)
    {
        if ($group === '*' || $group === null) {
            $this->translation->truncate();
        } else {
            $ltm_translations = $this->getTranslationsTableName();
            $this->getConnection()->affectingStatement("DELETE FROM {$ltm_translations} WHERE `group` = ?", [$group]);
        }
    }

 /**
  * Execute the console command.
  *
  * @return void
  */
 public function fire()
 {
     $this->manager->truncateTranslations();
     $this->info("All translations are deleted");
 }