[REF] Optimize Remove pre_handlers, pos_handlers and postedit_handlers properties. Completely unused since r23099
[REF] Optimize
Remove pre_handlers, pos_handlers and postedit_handlers properties. Completely unused since r23099

git-svn-id: a7fabbc6a7c54ea5c67cbd16bd322330fd10cc35@64401 b456876b-0849-0410-b77d-98878d47e9d5

tikiorg/tiki,tikiorg/tiki,tikiorg/tiki,tikiorg/tiki