fixes #981 Delete useless definitions

Thanks to @skyformat99 for noticing.
diff --git a/src/utils/efd_win.inc b/src/utils/efd_win.inc
index b8818df..83615fd 100644
--- a/src/utils/efd_win.inc
+++ b/src/utils/efd_win.inc
@@ -24,9 +24,6 @@
     IN THE SOFTWARE.
 */
 
-#define NN_EFD_PORT 5907
-#define NN_EFD_RETRIES 1000
-
 #include "err.h"
 #include "fast.h"