optimize: rm redundant code

Author: ithewei

event/hloop.c

@@ -992,16 +992,7 @@ hio_t* hio_create_socket(hloop_t* loop, const char* host, int port, hio_type_e t
     if (sock_type == -1) return NULL;
     sockaddr_u addr;
     memset(&addr, 0, sizeof(addr));
-    int ret = -1;
-#ifdef ENABLE_UDS
-    if (port < 0) {
-        sockaddr_set_path(&addr, host);
-        ret = 0;
-    }
-#endif
-    if (port >= 0) {
-        ret = sockaddr_set_ipport(&addr, host, port);
-    }
+    int ret = sockaddr_set_ipport(&addr, host, port);
     if (ret != 0) {
         // fprintf(stderr, "unknown host: %s\n", host);
         return NULL;