Revert "Missing Decleration"

This reverts commit 2db937e23e1b96e757fb1ee7382898202b9fbae0.

Conflicts:
	src/server/game/Entities/Unit/Unit.cpp
Revert "Compile fix"

This reverts commit b688fc0ed56f4787516df89c6c62f90c47ee1a5a.
Some fixes
Revert commit: https://github.com/TrinityCore/TrinityCore/commit/c238cae7d0733c76ee844d81e7c959627e5d711b