Remove non-default values from Debian 9 vars file

vars/Debian_9.yml

@@ -5,29 +5,9 @@ sshd_packages:
   - openssh-sftp-server
 sshd_config_mode: "0644"
 __sshd_defaults:
-  Port: 22
-  Protocol: 2
-  HostKey:
-    - /etc/ssh/ssh_host_rsa_key
-    - /etc/ssh/ssh_host_dsa_key
-    - /etc/ssh/ssh_host_ecdsa_key
-    - /etc/ssh/ssh_host_ed25519_key
-  UsePrivilegeSeparation: yes
-  SyslogFacility: AUTH
-  LogLevel: INFO
-  LoginGraceTime: 120
-  PermitRootLogin: without-password
-  StrictModes: yes
-  PubkeyAuthentication: yes
-  IgnoreRhosts: yes
-  HostbasedAuthentication: no
-  PermitEmptyPasswords: no
   ChallengeResponseAuthentication: no
   X11Forwarding: yes
-  X11DisplayOffset: 10
   PrintMotd: no
-  PrintLastLog: yes
-  TCPKeepAlive: yes
   AcceptEnv: LANG LC_*
   Subsystem: "sftp {{ sshd_sftp_server }}"
   UsePAM: yes