Core/GameObject: Fix crash added in c6bf7e0b1d615a22c2145c6f4a757a10a9eca92c

Thanks @jackpoz
Remove unnecessary check in previous fix
Merge branch 'master' of https://github.com/TrinityCore/TrinityCore
Revert "Revert crossfaction"

This reverts commit 748992c617d8652bf0c9ea79c43afb0ff21f3edc.
Merge pull request #1 from amsjunior1/master

pull