Revert "[asan] Add support for disable_sanitizer_instrumentation attribute"

This reverts commit dd145f95.

https://reviews.llvm.org/D119726, like https://reviews.llvm.org/D114421,
still causes TSan to fail, see https://lab.llvm.org/buildbot/#/builders/70/builds/18020

Differential Revision: https://reviews.llvm.org/D119838