[Core][WG] Rebuild WG walls after the battle finishes. Should fix the disappearing walls/doors issue.
Merge branch 'master' of https://github.com/Tangol/TrinityCore
Revert "[Core][WG] Rebuild WG walls after the battle finishes. Should fix the disappearing walls/doors issue."

This reverts commit ffe5c0d22e2f22cb6a20eac4303e5bf9ecce0a93.
[Core][WG] Rebuild WG walls after the battle finishes. Should fix the disappearing walls/doors issue.