fix: remove stray else causing syntax error in app.py

app.py

@@ -166,7 +166,6 @@ if __name__ == "__main__":
                 ok = False
                 # skip further FB checks when DNS is not available
                 return ok
-        else:
             # Try to inspect the token using the Graph API debug_token endpoint when possible
             # This provides detailed info (is_valid, expires_at, type) when app credentials are available
             fb_app_id = os.getenv("FB_APP_ID")