Revert "Refactor generator methods (#187690)"

Summary:
This reverts commit 621151e47d52d6822f229b63e763356286c032cc.

Reverted pytorch/pytorch#187690 on behalf of https://github.com/guilhermeleobas due to revert commit ([comment](pytorch/pytorch#187690 (comment)))

Reviewed By: atalman

Differential Revision: D111438104

fbshipit-source-id: d70e18f635ec01023b263120941028ae685af0e2

Author: generatedunixname499836121

userbenchmark/dynamo/dynamobench/_dynamo/utils.py

@@ -5617,15 +5617,6 @@ def build_event(args: tuple[Any], kwargs: dict[Any, Any]) -> torch.Event:
     return torch._C.Event(*args, **kwargs)
 
 
-class FrameState(enum.Enum):
-    FRAME_CREATED = -3
-    FRAME_SUSPENDED = -2
-    FRAME_SUSPENDED_YIELD_FROM = -1
-    FRAME_EXECUTING = 0
-    FRAME_COMPLETED = 1
-    FRAME_CLEARED = 4
-
-
 class CompileTimeInstructionCounter:
     _counter: int = 0
     _id: int = -1