refactor: removed unused options (#578)

* extra_payload
* str_enable

Are not used anywhere in the tests

tests/sources/range.py

@@ -18,13 +18,9 @@
 
 async def main(queue: asyncio.Queue, args: Dict[str, Any]):
     delay = args.get("delay", 0)
-    str_enable = args.get("str_enable", False)
-    extra_payload = args.get("extra_payload", None)
 
     for i in range(int(args["limit"])):
-        payload = {"i": f"{i}"} if str_enable else {"i": i}
-        if extra_payload:
-            payload.update({"extra_payload": extra_payload})
+        payload = {"i": i}
         await queue.put(payload)
         await asyncio.sleep(delay)