[Refactor] move tool parsing logic from protocol.py to the tool parser (#27383)

Co-authored-by: Aaron Pham <contact@aarnphm.xyz>

vllm/entrypoints/openai/tool_parsers/hermes_tool_parser.py

@@ -112,6 +112,7 @@ class Hermes2ProToolParser(ToolParser):
                 return delta_text
 
     def adjust_request(self, request: ChatCompletionRequest) -> ChatCompletionRequest:
+        request = super().adjust_request(request)
         if request.tools and request.tool_choice != "none":
             # do not skip special tokens because the tool_call tokens are
             # marked "special" in some models. Since they are skipped