boot: Remove duplicate newlines

Drop all duplicate newlines. No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
diff --git a/boot/pxe_utils.c b/boot/pxe_utils.c
index 53d6cf7..4e27842 100644
--- a/boot/pxe_utils.c
+++ b/boot/pxe_utils.c
@@ -1470,7 +1470,6 @@
 			override_num = label->num;
 	}
 
-
 	if (label_override) {
 		if (override_num)
 			default_num = override_num;