Cleanup, PMPRP, bugs
Cleanup, PMPRP, bugs

- Get rid of some useless code paths, implement disabling of NoOptimization
- post-modular-patching reference patching
- Reference patching of method references is completely destroyed by now.
Still works in memory, but as soon as writing to file, it no longer is
matching the proper IL, neither theoretically (what should work) nor
practically.

0x0ade/MonoMod,AngelDE98/MonoMod,zatherz/MonoMod