[NETFILTER]: ULOG target is not obsolete

The backend part is obsoleted, but the target itself is still needed.

Signed-off-by: Thomas Voegtle <[e-mail]>
Signed-off-by: Patrick McHardy <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

net/ipv4/netfilter/Kconfig

···
 	  To compile it as a module, choose M here.  If unsure, say N.
 
 config IP_NF_TARGET_ULOG
-	tristate "ULOG target support (OBSOLETE)"
+	tristate "ULOG target support"
 	depends on IP_NF_IPTABLES
 	---help---