units: m4 is not needed for rescue.service

Makefile.am

@@ -550,7 +550,7 @@ EXTRA_DIST += \
 	units/console-shell.service.m4.in \
 	units/console-getty.service.m4.in \
 	units/container-getty@.service.m4.in \
-	units/rescue.service.m4.in \
+	units/rescue.service.in \
 	units/systemd-initctl.service.in \
 	units/systemd-shutdownd.service.in \
 	units/systemd-remount-fs.service.in \
@@ -585,7 +585,6 @@ CLEANFILES += \
 	units/console-shell.service.m4 \
 	units/console-getty.service.m4 \
 	units/container-getty@.service.m4 \
-	units/rescue.service.m4 \
 	units/user@.service.m4
 
 if HAVE_SYSV_COMPAT

units/.gitignore

@@ -16,7 +16,6 @@
 /quotaon.service
 /rc-local.service
 /rescue.service
-/rescue.service.m4
 /serial-getty@.service
 /systemd-ask-password-console.service
 /systemd-ask-password-wall.service