Super tiny remove unused log_request (#15035)

sgl-model-gateway/src/middleware.rs

@@ -380,62 +380,6 @@ pub fn create_logging_layer() -> TraceLayer<
         .on_response(ResponseLogger::default())
 }
 
-/// Structured logging data for requests
-#[derive(Debug, serde::Serialize)]
-pub struct RequestLogEntry {
-    pub timestamp: String,
-    pub request_id: String,
-    pub method: String,
-    pub uri: String,
-    pub status: u16,
-    pub latency_ms: u64,
-    pub user_agent: Option<String>,
-    pub remote_addr: Option<String>,
-    pub error: Option<String>,
-}
-
-/// Log a request with structured data
-pub fn log_request(entry: RequestLogEntry) {
-    if entry.status >= 500 {
-        tracing::error!(
-            target: "sgl_model_gateway::http",
-            request_id = %entry.request_id,
-            method = %entry.method,
-            uri = %entry.uri,
-            status = entry.status,
-            latency_ms = entry.latency_ms,
-            user_agent = ?entry.user_agent,
-            remote_addr = ?entry.remote_addr,
-            error = ?entry.error,
-            "HTTP request failed"
-        );
-    } else if entry.status >= 400 {
-        tracing::warn!(
-            target: "sgl_model_gateway::http",
-            request_id = %entry.request_id,
-            method = %entry.method,
-            uri = %entry.uri,
-            status = entry.status,
-            latency_ms = entry.latency_ms,
-            user_agent = ?entry.user_agent,
-            remote_addr = ?entry.remote_addr,
-            "HTTP request client error"
-        );
-    } else {
-        tracing::info!(
-            target: "sgl_model_gateway::http",
-            request_id = %entry.request_id,
-            method = %entry.method,
-            uri = %entry.uri,
-            status = entry.status,
-            latency_ms = entry.latency_ms,
-            user_agent = ?entry.user_agent,
-            remote_addr = ?entry.remote_addr,
-            "HTTP request completed"
-        );
-    }
-}
-
 /// Request queue entry
 pub struct QueuedRequest {
     /// Time when the request was queued