not add functions. in tool id (#15)

- remove functions. in tool_id (b079de4ec9e452b60a608da2c92c0e0ae167395f)

chat_template.jinja

@@ -39,7 +39,7 @@
     {%- endfor -%}
     <|tool_calls_section_end|>
   {%- elif message['role'] == 'tool' -%}
-    {%- set tool_call_id = message.tool_call_id if message.tool_call_id.startswith('functions.') else 'functions.' + message.tool_call_id -%}
+    {%- set tool_call_id = message.tool_call_id -%}
     ## Return of {{ tool_call_id }}
 {{render_content(message)}}
   {%- elif message['content'] is not none -%}