Drop no longer supported static priorities from dh_installinit

Static start and stop priorities haven't been supported for a long time
and are not used by update-rc.d anymore. So drop them.

debian/rules

@@ -299,8 +299,8 @@ override_dh_installinit:
 	# Install SysV init scripts
 	dh_installinit -p libvirt-daemon-system-sysv --name=virtlogd --no-stop-on-upgrade
 	dh_installinit -p libvirt-daemon-system-sysv --name=virtlockd --no-stop-on-upgrade
-	dh_installinit -p libvirt-daemon-system-sysv --name=libvirtd --restart-after-upgrade -- defaults 28 72
-	dh_installinit -p libvirt-daemon-system-sysv --name=libvirt-guests --no-start -- defaults 29 71
+	dh_installinit -p libvirt-daemon-system-sysv --name=libvirtd --restart-after-upgrade
+	dh_installinit -p libvirt-daemon-system-sysv --name=libvirt-guests --no-start
 	# Install default files, which are used by both systemd and SysV init
 	dh_installinit -p libvirt-daemon-system --name=virtlogd --no-scripts
 	dh_installinit -p libvirt-daemon-system --name=virtlockd --no-scripts