Revert "Add FreeBSD support to MaNGOS Two"

This reverts commit 066cbf12a23da98c4af12ebe5244efa77765f074.
Revert "(Forgot to add .gitmodules in prior commit)"

This reverts commit bf37640d39560275a45cfcd8637b9a87395f46ef.
Revert "Added compatibility patch for eluna"

This reverts commit c58d608f44bba23d0b2ee5e098601401625408bd.