mkosi: hack SUSE spec to remove bin/sd-sysupdate

mkosi/mkosi.images/build/mkosi.conf.d/opensuse/mkosi.build.chroot

@@ -20,11 +20,13 @@ TS="${SOURCE_DATE_EPOCH:-$(date +%s)}"
 # extension.
 # TODO: remove autovt@ removal when the upstream spec is updated
 # TODO: remove systemd-udevd-control.socket removal when the upstream spec is updated
+# TODO: remove systemd-sysupdate removal when the upstream spec is updated
 while read -r filelist; do
     sed -E \
         -e '/autovt@/d' \
         -e '/sockets\.target\.wants\/systemd-udevd-control\.socket/d' \
         -e '/systemd-udevd-control\.socket\.8/d' \
+        -e '/^%\{_bindir\}\/systemd-sysupdate$/d' \
         -e 's/\.gz$//' \
         "$filelist" >"/tmp/$(basename "$filelist")"
     mount --bind "/tmp/$(basename "$filelist")" "$filelist"