[newlib-cygwin] Cygwin: drop special handling for SID authority 18

[Corinna Vinschen <corinna@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=7d2c5efffa87d233f40c3d0c220fd4041b68b08d

commit 7d2c5efffa87d233f40c3d0c220fd4041b68b08d
Author:     Corinna Vinschen <corinna@vinschen.de>
AuthorDate: Tue Nov 15 21:52:28 2022 +0100
Commit:     Corinna Vinschen <corinna@vinschen.de>
CommitDate: Sun Dec 4 14:03:02 2022 +0100

    Cygwin: drop special handling for SID authority 18
    
    This was only required up to Windows 8.
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/uinfo.cc | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/winsup/cygwin/uinfo.cc b/winsup/cygwin/uinfo.cc
index 2dd0c6e79da3..30df6db6d8a3 100644
--- a/winsup/cygwin/uinfo.cc
+++ b/winsup/cygwin/uinfo.cc
@@ -2578,18 +2578,6 @@ pwdgrp::fetch_account_from_windows (fetch_user_arg_t &arg, cyg_ldap *pldap)
 	}
       acc_type = SidTypeUnknown;
     }
-  else if (sid_id_auth (sid) == 18)
-    {
-      /* Authentication assertion SIDs.
-
-         Available when using a 2012R2 DC, but not supported by
-	 LookupAccountXXX on pre Windows 8/2012 machines */
-      uid = 0x11200 + sid_sub_auth_rid (sid);
-      wcpcpy (name = namebuf, sid_sub_auth_rid (sid) == 1
-	      ? (PWCHAR) L"Authentication authority asserted identity"
-	      : (PWCHAR) L"Service asserted identity");
-      acc_type = SidTypeUnknown;
-    }
   else if (sid_id_auth (sid) == 22)
     {
       /* Samba UNIX Users/Groups