[router][grpc] Remove timeout for connections and remove `max_tokens`...

[router][grpc] Remove timeout for connections and remove `max_tokens` deprecation warning log (#11775)

sgl-router/src/grpc_client/sglang_scheduler.rs

@@ -132,7 +132,6 @@ impl SglangSchedulerClient {
         };
 
         let channel = Channel::from_shared(http_endpoint)?
-            .timeout(Duration::from_secs(3600)) // 1 hr timeout for connection
             .http2_keep_alive_interval(Duration::from_secs(30))
             .keep_alive_timeout(Duration::from_secs(10))
             .keep_alive_while_idle(true)

sgl-router/src/protocols/chat.rs

@@ -496,7 +496,6 @@ impl Normalizable for ChatCompletionRequest {
         // Migrate deprecated max_tokens → max_completion_tokens
         #[allow(deprecated)]
         if self.max_completion_tokens.is_none() && self.max_tokens.is_some() {
-            tracing::warn!("max_tokens is deprecated, use max_completion_tokens instead");
             self.max_completion_tokens = self.max_tokens;
             self.max_tokens = None; // Clear deprecated field
         }