update image uri config files

Author: kenny-ezirim

src/sagemaker/image_uri_config/tensorflow.json

@@ -670,7 +670,6 @@
                     "ap-northeast-1": "520713654638",
                     "ap-northeast-2": "520713654638",
                     "ap-south-1": "520713654638",
-                    "ap-south-2": "772153158452",
                     "ap-southeast-1": "520713654638",
                     "ap-southeast-2": "520713654638",
                     "ca-central-1": "520713654638",