api: Add remove_storage() helper to client.

zulip/zulip/__init__.py

@@ -597,10 +597,7 @@ def error_retry(error_string: str) -> bool:
             if self.verbose:
                 if not query_state["had_error_retry"]:
                     sys.stdout.write(
-                        "zulip API({}): connection error{} -- retrying.".format(
-                            url.split(API_VERSTRING, 2)[0],
-                            error_string,
-                        )
+                        f"zulip API({url.split(API_VERSTRING, 2)[0]}): connection error{error_string} -- retrying."
                     )
                     query_state["had_error_retry"] = True
                 else:
@@ -1641,6 +1638,28 @@ def get_storage(self, request: Optional[Dict[str, Any]] = None) -> Dict[str, Any
             request=request,
         )
 
+    def remove_storage(self, request: Dict[str, Any]) -> Dict[str, Any]:
+        """
+        Remove entries from the bot's storage.
+
+        Example:
+            >>> client.update_storage({'storage': {'a': '1', 'b': '2'}})
+            >>> client.remove_storage({'keys': ['a']})
+            >>> client.get_storage()
+            {'result': 'success', 'storage': {'b': '2'}, 'msg': ''}
+
+        Keyword args:
+            keys (List[str]): Keys to remove from storage.
+
+        Returns:
+            Dict[str, Any]: Standard Zulip API response dict.
+        """
+        return self.call_endpoint(
+            url="bot_storage",
+            method="DELETE",
+            request=request or {},
+        )
+
     def set_typing_status(self, request: Dict[str, Any]) -> Dict[str, Any]:
         """
         Example usage: