Remove 'Temporary for debugging glance' on jenkins slaves

In an effort to clean up our manifests, and add support for Ubuntu
Xenial, we can remove this 'temporary' workaround now.  If projects
need to enable this, doing so in JJB makes more sense today.

Change-Id: Iebc359de33748668d1c2cb4c953b60be2dacd7dc
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

modules/openstack_project/manifests/slave_common.pp

@@ -70,26 +70,6 @@ class openstack_project::slave_common(
     mode   => '0440',
   }
 
-  # Temporary for debugging glance launch problem
-  # https://lists.launchpad.net/openstack/msg13381.html
-  # NOTE(dprince): ubuntu only as RHEL6 doesn't have sysctl.d yet
-  if ($::osfamily == 'Debian') {
-
-    file { '/etc/sysctl.d/10-ptrace.conf':
-      ensure => present,
-      source => 'puppet:///modules/jenkins/10-ptrace.conf',
-      owner  => 'root',
-      group  => 'root',
-      mode   => '0444',
-    }
-
-    exec { 'ptrace sysctl':
-      subscribe   => File['/etc/sysctl.d/10-ptrace.conf'],
-      refreshonly => true,
-      command     => '/sbin/sysctl -p /etc/sysctl.d/10-ptrace.conf',
-    }
-  }
-
   # needed by jenkins/jobs
   if ! defined(Package['curl']) {
     package { 'curl':