fix lint error (#4131)

Summary:
Pull Request resolved: #4131

X-link: facebookresearch/FBGEMM#1212

as title

Reviewed By: q10, spcyppt

Differential Revision: D74825861

fbshipit-source-id: 1a6ddb736f9c5222db6f6a74caf1ca9314d833e7

Author: duduyi2013

fbgemm_gpu/test/tbe/ssd/kv_tensor_wrapper_test.py

@@ -7,7 +7,6 @@
 # pyre-strict
 
 import gc
-import logging
 import tempfile
 import unittest
 from typing import Any, Dict