SAK-23435 deleted LocaleComparator.java, now redundant as a result of KNL-1051 changes

git-svn-id: https://source.sakaiproject.org/svn/user/branches/sakai-2.9.x@123007 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAK-23435 merge trunk r122583 manual merge UserToolsPref.java changes only

git-svn-id: https://source.sakaiproject.org/svn/user/branches/sakai-2.9.x@123008 66ffb92e-73f9-0310-93c1-f5514f145a0a