fix typo

Author: Qingzi-Lan

tests/unit/sagemaker/image_uris/test_neo.py

@@ -45,7 +45,7 @@
     "us-iso-east-1": "167761179201",
     "us-isob-east-1": "406031935815",
     "us-west-1": "710691900526",
-    "us-west-2": "301217895009",,
+    "us-west-2": "301217895009",
     "il-central-1": "275950707576"
 }