[krb5] don't need these backports any more

[Nalin Dahyabhai]

commit 9f7716f7180f6ba5040afc4754c40ea583d412c7
Author: Nalin Dahyabhai <nalin at dahyabhai.net>
Date:   Wed Nov 9 14:27:35 2011 -0500

    don't need these backports any more

 krb5-1.9.1-ai_addrconfig.patch  |   30 ----------
 krb5-1.9.1-ai_addrconfig2.patch |  120 ---------------------------------------
 2 files changed, 0 insertions(+), 150 deletions(-)