remove unnecessary os import

Signed-off-by: Jesse Sanford <108698+jessesanford@users.noreply.github.com>

Author: jessesanford

src/mcp/server/auth/proxy/routes.py

@@ -4,7 +4,6 @@
 from __future__ import annotations
 
 import logging
-import os
 import urllib.parse
 from typing import Any