[NETFILTER]: remove the reference to ipchains from Kconfig

It is time to move on :-)

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
diff --git a/net/Kconfig b/net/Kconfig
index 867f950..7dfc949 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -75,7 +75,7 @@
 	  If you are unsure how to answer this question, answer N.
 
 menuconfig NETFILTER
-	bool "Network packet filtering (replaces ipchains)"
+	bool "Network packet filtering framework (Netfilter)"
 	---help---
 	  Netfilter is a framework for filtering and mangling network packets
 	  that pass through your Linux box.