Revert "net: sctp: convert sctp_checksum_disable module param into sctp sysctl"

This reverts commit cda5f98e36576596b9230483ec52bff3cc97eb21.

As per Vlad's request.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index 1b1ee76..6b36561 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -290,15 +290,7 @@
 		.extra1		= &max_autoclose_min,
 		.extra2		= &max_autoclose_max,
 	},
-	{
-		.procname	= "checksum_disable",
-		.data		= &init_net.sctp.checksum_disable,
-		.maxlen		= sizeof(int),
-		.mode		= 0644,
-		.proc_handler	= proc_dointvec_minmax,
-		.extra1		= &zero,
-		.extra2		= &one,
-	},
+
 	{ /* sentinel */ }
 };