mate-keyring: Removed

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackware-id.org>
libmatekeyring: Removed

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackware-id.org>
remove mate-keyring and libmatekeyring from build script

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackware-id.org>