s3:utils: add new 'net ads setspn delete' subcommand
This patch adds 'delete' to the 'net ads setspn' subcommand
(see https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-R2-and-2012/
cc731241(v=ws.11)
Usage:
net ads setspn delete <computer> <SPN>
Note: <computer> is optional, if not specified the computer account
associated with value returned by lp_netbios_name() is used instead.
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>