Remove compat method (aws#48)

Author: rahul003

smdebug/core/hook.py

@@ -246,11 +246,6 @@ def create_from_json_file(cls, json_file_path=None):
         """
         return create_hook_from_json_config(cls, json_config_path=json_file_path)
 
-    # For compatibility purposes only; do not use
-    @classmethod
-    def hook_from_config(cls, json_config_path=None):
-        return cls.create_from_json_file(json_file_path=json_config_path)
-
     @abstractmethod
     def _get_worker_name(self):
         pass

smdebug/xgboost/hook.py

@@ -140,6 +140,11 @@ def create_from_json_file(cls, json_file_path=None):
             cls, json_config_path=json_file_path, default_values=default_values
         )
 
+    # For compatibility purposes only; do not use
+    @classmethod
+    def hook_from_config(cls, json_config_path=None):
+        return cls.create_from_json_file(json_file_path=json_config_path)
+
     def _is_last_step(self, env: CallbackEnv) -> bool:
         # env.iteration: current boosting round.
         # env.end_iteration: round # when training will end. this is always num_round + 1.  # noqa: E501