Update tensorflow.json

Author: saimidu

src/sagemaker/image_uri_config/tensorflow.json

@@ -1402,7 +1402,6 @@
             "2.4": "2.4.3",
             "2.5": "2.5.1",
             "2.6": "2.6.2",
-            "2.7": "2.7.1",
             "2.8": "2.8.0"
         },
         "versions": {