Revert "Add consistency CHECKs around ArtMethod fields."

This reverts commit 382df393c684c6a5f3856365177da715880d7f08.

Reason for revert: Fails for test BuzzBeepBlinkTest on x86

Bug: 146765723
Change-Id: If86c07959969a831ab5b24681e70c85d3c59c1fd
Test: TH
2 files changed