[NETFILTER]: Update feature-removal-schedule.txt

With all the newly introduced features, there is a lot to remove
later on after a compatibility grace period of 2 years.
Signed-off-by: NJan Engelhardt <jengelh@computergmbh.de>
Signed-off-by: NPatrick McHardy <kaber@trash.net>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Documentation/feature-removal-schedule.txt

@@ -313,3 +313,35 @@ Why:	This algorithm was provided for reference but always exhibited bad
 	responsiveness and performance and has some serious flaws. It has been
 	replaced by rc80211-pid.
 Who:	Stefano Brivio <stefano.brivio@polimi.it>
+
+---------------------------
+
+What (Why):
+	- include/linux/netfilter_ipv4/ipt_TOS.h ipt_tos.h header files
+	  (superseded by xt_TOS/xt_tos target & match)
+
+	- "forwarding" header files like ipt_mac.h in
+	  include/linux/netfilter_ipv4/ and include/linux/netfilter_ipv6/
+
+	- xt_CONNMARK match revision 0
+	  (superseded by xt_CONNMARK match revision 1)
+
+	- xt_MARK target revisions 0 and 1
+	  (superseded by xt_MARK match revision 2)
+
+	- xt_connmark match revision 0
+	  (superseded by xt_connmark match revision 1)
+
+	- xt_conntrack match revision 0
+	  (superseded by xt_conntrack match revision 1)
+
+	- xt_iprange match revision 0,
+	  include/linux/netfilter_ipv4/ipt_iprange.h
+	  (superseded by xt_iprange match revision 1)
+
+	- xt_mark match revision 0
+	  (superseded by xt_mark match revision 1)
+
+When:	January 2009 or Linux 2.7.0, whichever comes first
+Why:	Superseded by newer revisions or modules
+Who:	Jan Engelhardt <jengelh@computergmbh.de>