Remove salt

We don't really use the salt infrastructure that we set up, which means
it's cruft. Go ahead and admit that we don't use it and remove it from
our systems.

Change-Id: Ic43695719cbad30aded16ac480deb3dfd9b2a110

manifests/site.pp

@@ -162,7 +162,6 @@ node 'ci-puppetmaster.openstack.org' {
 node 'puppetmaster.openstack.org' {
   class { 'openstack_project::puppetmaster':
     root_rsa_key => hiera('puppetmaster_root_rsa_key', 'XXX'),
-    salt         => false,
     update_slave => false,
     sysadmins    => hiera('sysadmins', ['admin']),
     version      => '3.4.',
@@ -641,14 +640,6 @@ node 'pypi.slave.openstack.org' {
   }
 }
 
-# Node-OS: precise
-node 'salt-trigger.slave.openstack.org' {
-  include openstack_project
-  class { 'openstack_project::salt_trigger_slave':
-    jenkins_ssh_public_key => $openstack_project::jenkins_ssh_key,
-  }
-}
-
 # Node-OS: precise
 node /^precise-dev\d+.*\.slave\.openstack\.org$/ {
   include openstack_project