puppet: Stop writing custom sshd_config.

The only relevant changes are `PasswordAuthentication no` (which
is now the default) and `MaxStartups 40:50:60` (which is now
unneccesary due to autossh tunnels.

puppet/zulip_ops/files/sshd_config

@@ -1,91 +0,0 @@
-# Package generated configuration file
-# See the sshd_config(5) manpage for details
-
-# What ports, IPs and protocols we listen for
-Port 22
-# Use these options to restrict which interfaces/protocols sshd will bind to
-#ListenAddress ::
-#ListenAddress 0.0.0.0
-Protocol 2
-# HostKeys for protocol version 2
-HostKey /etc/ssh/ssh_host_rsa_key
-HostKey /etc/ssh/ssh_host_dsa_key
-HostKey /etc/ssh/ssh_host_ecdsa_key
-HostKey /etc/ssh/ssh_host_ed25519_key
-#Privilege Separation is turned on for security
-UsePrivilegeSeparation yes
-
-# Lifetime and size of ephemeral version 1 server key
-KeyRegenerationInterval 3600
-ServerKeyBits 1024
-
-# Logging
-SyslogFacility AUTH
-LogLevel INFO
-
-# Authentication:
-LoginGraceTime 120
-PermitRootLogin prohibit-password
-StrictModes yes
-
-RSAAuthentication yes
-PubkeyAuthentication yes
-#AuthorizedKeysFile	%h/.ssh/authorized_keys
-
-# Don't read the user's ~/.rhosts and ~/.shosts files
-IgnoreRhosts yes
-# For this to work you will also need host keys in /etc/ssh_known_hosts
-RhostsRSAAuthentication no
-# similar for protocol version 2
-HostbasedAuthentication no
-# Uncomment if you don't trust ~/.ssh/known_hosts for RhostsRSAAuthentication
-#IgnoreUserKnownHosts yes
-
-# To enable empty passwords, change to yes (NOT RECOMMENDED)
-PermitEmptyPasswords no
-
-# Change to yes to enable challenge-response passwords (beware issues with
-# some PAM modules and threads)
-ChallengeResponseAuthentication no
-
-# Change to no to disable tunnelled clear text passwords
-#PasswordAuthentication yes
-
-# Kerberos options
-#KerberosAuthentication no
-#KerberosGetAFSToken no
-#KerberosOrLocalPasswd yes
-#KerberosTicketCleanup yes
-
-# GSSAPI options
-#GSSAPIAuthentication no
-#GSSAPICleanupCredentials yes
-
-X11Forwarding yes
-X11DisplayOffset 10
-PrintMotd no
-PrintLastLog yes
-TCPKeepAlive yes
-#UseLogin no
-
-MaxStartups 40:50:60
-#Banner /etc/issue.net
-
-# Commented out to prevent use of client locales. This causes problems
-# otherwise if our developers have a non-standard locale.
-#AcceptEnv LANG LC_*
-
-Subsystem sftp /usr/lib/openssh/sftp-server
-
-# Set this to 'yes' to enable PAM authentication, account processing,
-# and session processing. If this is enabled, PAM authentication will
-# be allowed through the ChallengeResponseAuthentication and
-# PasswordAuthentication.  Depending on your PAM configuration,
-# PAM authentication via ChallengeResponseAuthentication may bypass
-# the setting of "PermitRootLogin without-password".
-# If you just want the PAM account and session checks to run without
-# PAM authentication, then enable this but set PasswordAuthentication
-# and ChallengeResponseAuthentication to 'no'.
-UsePAM yes
-UseDNS no
-PasswordAuthentication no

puppet/zulip_ops/manifests/profile/base.pp

@@ -85,17 +85,6 @@ class zulip_ops::profile::base {
     ensure     => running,
   }
 
-  file { '/etc/ssh/sshd_config':
-    ensure  => file,
-    require => Package['openssh-server'],
-    source  => 'puppet:///modules/zulip_ops/sshd_config',
-    owner   => 'root',
-    group   => 'root',
-    mode    => '0644',
-    notify  => Service['ssh'],
-  }
-
-
   include zulip_ops::aws_tools
 
   if $is_ec2 {