Revert "Fix failing resources under systemd-nspawn"

This reverts commit 8030be76.

manifests/profile/base/systemd.pp

@@ -55,11 +55,9 @@ class nest::profile::base::systemd {
     changes => flatten($nsswitch_id_changes + $nsswitch_hosts_changes),
   }
 
-  unless $facts['virtual'] == 'lxc' {
-    file { '/etc/resolv.conf':
-      ensure => link,
-      target => '/run/systemd/resolve/stub-resolv.conf',
-    }
+  file { '/etc/resolv.conf':
+    ensure => link,
+    target => '/run/systemd/resolve/stub-resolv.conf',
   }
 
   file {

manifests/profile/base/zfs.pp

@@ -23,19 +23,17 @@ class nest::profile::base::zfs {
     require => Package['sys-fs/zfs'],
   }
 
-  unless $facts['virtual'] == 'lxc' {
-    # ZFS likes to have a little extra headroom on low memory systems
-    sysctl { 'vm.min_free_kbytes':
-      value  => '32768',
-      target => '/etc/sysctl.d/nest.conf',
-    }
+  # ZFS likes to have a little extra headroom on low memory systems
+  sysctl { 'vm.min_free_kbytes':
+    value  => '32768',
+    target => '/etc/sysctl.d/nest.conf',
+  }
 
-    # Not strictly ZFS related, though our swap is on ZFS, but this
-    # seems to improve stability in low memory conditions, counterintuitively.
-    sysctl { 'vm.swappiness':
-      value  => '10',
-      target => '/etc/sysctl.d/nest.conf',
-    }
+  # Not strictly ZFS related, though our swap is on ZFS, but this
+  # seems to improve stability in low memory conditions, counterintuitively.
+  sysctl { 'vm.swappiness':
+    value  => '10',
+    target => '/etc/sysctl.d/nest.conf',
   }
 
   group { 'zfssnap':