net: remove stale reference to fastroute from Kconfig help text

	  <file:Documentation/Changes> under "iptables" for the location of

	  <file:Documentation/Changes> under "iptables" for the location of

	  these packages.

	  these packages.

	  Make sure to say N to "Fast switching" below if you intend to say Y

	  here, as Fast switching currently bypasses netfilter.

	  Chances are that you should say Y here if you compile a kernel which

	  will run as a router and N for regular hosts. If unsure, say N.

if NETFILTER

if NETFILTER

config NETFILTER_DEBUG

config NETFILTER_DEBUG