fix: 去掉无用代码

nginx.conf

@@ -26,9 +26,6 @@ http {
 	gzip_types text/plain application/javascript text/css application/xml text/javascript image/jpeg image/gif image/png;
 	gzip_vary on;
 	gzip_disable "MSIE [1-6]\.";
-	upstream sfms3.0 {
-		server localhost:25110 weight=10 max_fails=3 fail_timeout=10s;
-	}
 	server {
 		listen       25101;
 		server_name_in_redirect off;