Simplify net_dbg_ratelimited() dummy

There is no need to wrap calls to the no_printk() helper inside an
always-false check, as no_printk() already does that internally.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/net.h

@@ -299,10 +299,7 @@ do {									\
 	net_ratelimited_function(pr_debug, fmt, ##__VA_ARGS__)
 #else
 #define net_dbg_ratelimited(fmt, ...)				\
-	do {							\
-		if (0)						\
-			no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); \
-	} while (0)
+	no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
 #endif
 
 #define net_get_random_once(buf, nbytes)			\