Revert "Core/ICC: Implement Gunship Battle"

This reverts commit 681bab4e8cc8c33cedd0a7cda56ec1c8863f5542.

Conflicts:
	sql/updates/world/world_12_27_2013.sql
Revert "Core/BG: Implement Beta Version of DOTA Map"

This reverts commit 90384a450f00b99a701627ebff19733ad6cc3aac.

Conflicts:
	sql/updates/world/world_12_31_2013.sql
Core: Remove Dungeon deserter
SQL:Several Fixes