Revert D31514095: Use kernel_func_name from aotCompiler
Test Plan: revert-hammer
Differential Revision:
D31514095 (https://github.com/pytorch/pytorch/commit/7b55dc8340a535b7256319585c85ef4e240d10c7)
Original commit changeset: b70c8e2c7336
fbshipit-source-id: ad4d828f33506e612b51c276149fa0e12b0565d5
