public function down() 	{ 		Schema::table('applicants', function (Blueprint $table) { 			$table->dropForeign(['location_id']); 			$table->dropForeign(['department_id']); 			$table->dropColumn(['location_id', 'department_id']);  			$table->string('location', 50)->nullable(); 			$table->string('department', 50)->nullable(); 		}); 	}