Revert "Merge pull request #1 from shuyingsunshine21/shuyingsunshine21-checkpoint_consolidate"

This reverts commit c5053da, reversing
changes made to 0d23d75.

Author: shuyingsunshine21

tests/utilities/test_all_gather_grad.py

@@ -44,6 +44,7 @@ def _test_all_gather_ddp(rank, world_size):
 @RunIf(skip_windows=True)
 def test_all_gather_ddp():
     world_size = 3
+    os.environ["MKL_SERVICE_FORCE_INTEL"] = "1"
     torch.multiprocessing.spawn(_test_all_gather_ddp, args=(world_size, ), nprocs=world_size)