Revert "sctp: fix missing include file"

This reverts commit ac0917f250c61ae1e395844ebd924db0e07d1f87.

Better version of this fix forthcoming.

Signed-off-by: David S. Miller <davem@davemloft.net>

net/sctp/input.c

@@ -48,7 +48,6 @@
 #include <linux/time.h> /* For struct timeval */
 #include <linux/slab.h>
 #include <net/ip.h>
-#include <net/ip6_route.h>
 #include <net/icmp.h>
 #include <net/snmp.h>
 #include <net/sock.h>