- RTL: removed InitVariantManager, it was an empty procedure since day 1.

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29114 3ad0048d-3df7-0310-abae-a5850022a9f2
- MIPS: forward declaration of fpc_threadvar_relocate_proc is not needed.

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@29115 3ad0048d-3df7-0310-abae-a5850022a9f2