Remove VariableTracker.as_specialized (#112363)

Summary:
My local testing can't seem to find this function actually doing anything.

X-link: pytorch/pytorch#112363
Approved by: https://github.com/yanboliang

Reviewed By: ZainRizvi

Differential Revision: D50819849

Pulled By: jansel

fbshipit-source-id: 2ef4dd2fef653986c1211dbcc709c3ae29751c2f

userbenchmark/dynamo/dynamobench/_dynamo/utils.py

@@ -879,16 +879,6 @@ def check_numpy_ndarray_args(args, kwargs):
     )
 
 
-def specialize_args_kwargs(tx, args, kwargs):
-    specialized_args = []
-    specialized_kwargs = {}
-    for x in args:
-        specialized_args.append(x.as_specialized(tx))
-    for k, v in kwargs.items():
-        specialized_kwargs.update({k: v.as_specialized(tx)})
-    return specialized_args, specialized_kwargs
-
-
 dict_values = type(dict().values())
 odict_values = type(collections.OrderedDict().values())
 tuple_iterator = type(iter(tuple()))