puppet/beaker-upgrade: do not revoke sudo

'sudo' access is needed by copy_puppet_logs.sh which is run in
copy_puppet_logs publisher on beaker upgrade jobs.

This patch avoids to revoke sudo so we can use sudo to copy OpenStack &
Systems logs and configurations.

Change-Id: Ice5c4d7cd0c75ddfb869317f533ef734d40b433d

jenkins/jobs/puppet-module-jobs.yaml

@@ -62,7 +62,6 @@
       - link-logs
       - puppet-prepare-node
       - allow-local-ssh-root
-      - revoke-sudo
       - shell: |
           #!/bin/bash -xe
           # checkout the current branch