puppet: Remove "ensure => absent" rules which have all been applied.

puppet/zulip_ops/manifests/profile/base.pp

@@ -144,14 +144,6 @@ class zulip_ops::profile::base {
       source  => 'puppet:///modules/zulip_ops/nagios_authorized_keys',
     }
 
-    file { '/usr/local/sbin/zulip-ec2-configure-interfaces':
-      ensure => absent,
-    }
-
-    file { '/etc/network/if-up.d/zulip-ec2-configure-interfaces_if-up.d.sh':
-      ensure => absent,
-    }
-
     file { '/etc/chrony/chrony.conf':
       ensure  => file,
       mode    => '0644',

puppet/zulip_ops/manifests/profile/prometheus_server.pp

@@ -21,11 +21,6 @@ class zulip_ops::profile::prometheus_server {
     target  => "${dir}/promtool",
     require => Zulip::External_Dep['prometheus'],
   }
-  # This was moved to an external dep in 2021/12, and the below can be
-  # removed once the prod server has taken the update.
-  file { '/srv/prometheus':
-    ensure => absent,
-  }
 
   file { $data_dir:
     ensure  => directory,

puppet/zulip_ops/manifests/prometheus/node.pp

@@ -14,12 +14,6 @@ class zulip_ops::prometheus::node {
     tarball_prefix => "node_exporter-${version}.linux-${zulip::common::goarch}",
   }
 
-  # This was moved to an external_dep in 2021/12, and these lines can
-  # be removed once all prod hosts no longer have this file.
-  file { '/usr/local/bin/node_exporter':
-    ensure => absent,
-  }
-
   zulip_ops::firewall_allow { 'node_exporter': port => '9100' }
   file { "${zulip::common::supervisor_conf_dir}/prometheus_node_exporter.conf":
     ensure  => file,