include: net: Remove duplicate newlines

Drop all duplicate newlines. No functional change.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
diff --git a/include/net/sntp.h b/include/net/sntp.h
index 30b44d1..5dd9aa3 100644
--- a/include/net/sntp.h
+++ b/include/net/sntp.h
@@ -9,7 +9,6 @@
 #define NTP_SERVICE_PORT	123
 #define SNTP_PACKET_LEN		48
 
-
 /* Leap Indicator */
 #define NTP_LI_NOLEAP		0x0
 #define NTP_LI_61SECS		0x1