update english doc of paddle.static.save_inference_model, test=document_fix (#46484)

python/paddle/static/io.py

@@ -441,8 +441,6 @@ def save_to_file(path, content):
 def save_inference_model(path_prefix, feed_vars, fetch_vars, executor,
                          **kwargs):
     """
-    :api_attr: Static Graph
-
     Save current model and its parameters to given path. i.e.
     Given path_prefix = "/path/to/modelname", after invoking
     save_inference_model(path_prefix, feed_vars, fetch_vars, executor),
@@ -459,7 +457,7 @@ def save_inference_model(path_prefix, feed_vars, fetch_vars, executor,
 
             - program(Program): specify a program if you don't want to use default main program.
 
-            - clip_extra(bool): set to True if you want to clip extra information for every operator.
+            - clip_extra(bool): the flag indicating whether to clip extra information for every operator. Default: True.
 
     Returns:
         None