remove IPsec SKIPJACK support...

[Jim Thompson]

> On Jul 27, 2015, at 7:57 PM, John-Mark Gurney <jmg at funkthat.com> wrote:
> 
> I would like to remove it from HEAD immediately as I don't see a use
> for it.  Some time ago I proposed removing Skipjack from the OCF in 12, but personally, now that I think about how long 12 is, we deprecate these sooner rather than later.

Are we also going to comply with RFC 7321?

https://tools.ietf.org/html/rfc7321