Newark cops were ordered to steer clear of Delaney Hall even after violent weekend clashes rocked the detention facility, an internal police memo obtained by The Post revealed. The June 8 memo illustrates the jurisdictional mess at the now infamous detainee facility, which has become the center of angry protests with police arresting people from around the country and chilling footage showing instigators slamming the vehicles of Delaney Hall workers. “No officers are to handle any call for