[Feature]: Add corrupted request metric to V1 metrics system. (#27306)

Signed-off-by: atalhens <sneh.lata@nutanix.com>

vllm/v1/request.py

@@ -168,10 +168,6 @@ class Request:
     def use_structured_output(self) -> bool:
         return self.structured_output_request is not None
 
-    @property
-    def is_output_corrupted(self) -> bool:
-        return self.num_nans_in_logits > 0
-
     @property
     def num_tokens(self) -> int:
         return len(self._all_token_ids)