chore(constants): drop the redundant comment on the semantic cache deadline

Author: mateo-berri

litellm/constants.py

@@ -436,7 +436,6 @@
 # deadline and connect handshake (see ``http_handler`` cached handler paths).
 COMPLETION_HTTP_FALLBACK_SECONDS: Final[float] = 600.0
 HTTP_HANDLER_CONNECT_TIMEOUT_SECONDS: Final[float] = 5.0
-# A cache lookup is an optimization, so it gets its own short deadline rather than the request timeout above.
 SEMANTIC_CACHE_EMBEDDING_TIMEOUT_SECONDS: Final[float] = float(
     os.getenv("SEMANTIC_CACHE_EMBEDDING_TIMEOUT_SECONDS", "5.0")
 )