Revert "Disable torchrec/sparse from top-level Dynamo tracing (pytorc…

…h#105733)"

This reverts commit 60d5efd.

Reverted pytorch#105733 on behalf of https://github.com/facebook-github-bot due to Diff reverted internally ([comment](pytorch#105733 (comment)))

torch/_dynamo/skipfiles.py

@@ -163,12 +163,6 @@ def _module_dir(m: types.ModuleType):
 FBCODE_SKIP_DIRS = {
     "torchrec/distributed",
     "torchrec/fb/distributed",
-    # JaggedTensor and KeyedJaggedTensor are fairly badly behaved, because
-    # they tend to contain extremely long lists of integers that vary from
-    # run to run.  We are interested in tracing models that contain references
-    # to KJTs, but tracing an individual KeyedJaggedTensor is rarely
-    # profitable
-    "torchrec/sparse",
     "caffe2/torch/fb/sparsenn/pooled_embeddings_modules.py",
 }
 FBCODE_SKIP_DIRS_RE = re.compile(f".*({'|'.join(map(re.escape, FBCODE_SKIP_DIRS))})")