Revert "TT#35912 Switch to a socket activated ssh"

We will use libpam-systemd and ssh as daemon.

This reverts commit cb78cf8508.

Change-Id: I0cd21f966af38e6c7f0c7605bd359b5105e9ecc5

templates/500_init-daemons-dabian.yaml.tt2

@@ -48,14 +48,10 @@ service:
     enabled: true
     running: true
 
-  ssh.socket:
+  ssh.service:
     enabled: true
     running: true
 
-  ssh.service:
-    enabled: false
-    running: false
-
   telegraf.service:
     enabled: true
     running: true