EventDuplicateCleaner::clearBogusLocationEntries

private function clearBogusLocationEntries(): void
{
	global $DB;
	$DB->Query("
		delete from b_calendar_event 
			where 
				ID=PARENT_ID
				and CAL_TYPE = 'location'
				and OWNER_ID = '0'
			limit 1000;
	");
}