Back out "[inductor] make thread order consistent with loop order (#106827)" (#107796)
Summary:
D48295371 cause batch fusion failure, which will block mc proposals on all mc models.
e.g. cmf f470938179
Test Plan: Without revert, f469732293. With revert diff f472266199.
Differential Revision: D48610062
Pull Request resolved: https://github.com/pytorch/pytorch/pull/107796
Approved by: https://github.com/yanboliang
