Revert "[Profiler] Unify global and thread local profiler lookup. (#83894)"
This reverts commit c06a5586f57c844fdc4a98e52f88e71f64dd54d2.
Reverted https://github.com/pytorch/pytorch/pull/83894 on behalf of https://github.com/mehtanirav due to [Internal breakages](https://www.internalfb.com/intern/sandcastle/job/13510799644553996/artifact/runsandcastle?selectedLines=990-990-7-65)
