Fix bug 8271
http://hercules.ws/board/tracker/issue-8271-map-zone-db-disabled-items/

me careless, didn't know that when the item are disabled, OnUnequip shouldn't trigger
it was my pull request so me go fix it

thx to kyeme for the report
Merge branch 'master' of https://github.com/HerculesWS/Hercules