KNL-1093 Enable AntiSamy by default by removing the kernel.properties override


git-svn-id: https://source.sakaiproject.org/svn/kernel@127236 66ffb92e-73f9-0310-93c1-f5514f145a0a
KNL-1094


git-svn-id: https://source.sakaiproject.org/svn/kernel@127242 66ffb92e-73f9-0310-93c1-f5514f145a0a
KNL-1094 merge r127242 from trunk

git-svn-id: https://source.sakaiproject.org/svn/kernel@127287 66ffb92e-73f9-0310-93c1-f5514f145a0a