services: Disable systemd service linking

I have not used (most) of these services in a long time. This makes the
unlinking more official. Also paves the way for setting up simple
runit-managed user services.

.dotter/global.toml

@@ -64,6 +64,8 @@ office = "~"
 
 [services.files]
 "services/README.md" = { target = "~/NOWHERE", type = "symbolic", if = "false" }
+# FIXME: Disabling existing systemd services for the moment
+"services/systemd" = { target = "~/NOWHERE", type = "symbolic", if = "false" }
 services = "~"
 
 [social.files]