Update server/auth.py

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: atomicturtle

server/auth.py

@@ -162,9 +162,6 @@ def validate_token(self, token: str) -> Dict:
                     if token_id not in self.tokens:
                         raise ValueError(f"Unknown token after reload: {token_id}")
 
-        if token_id not in self.tokens:
-            raise ValueError(f"Unknown token: {token_id}")
-        
         token_info = self.tokens[token_id]
 
         # Verify secret