remove linux ppc64be support

as per nodejs/node#12309

Author: refack

setup/ubuntu14.04/ansible-playbook.yaml

@@ -17,12 +17,6 @@
       with_items: packages
       tags: general
 
-    - name: General | Install additional packages for PPC be
-      apt: name={{ item }} update_cache=yes state=latest
-      with_items: additional_ppc_be_packages
-      when: (ansible_architecture == "ppc64" and ansible_nodename.find('ppc64-be') != -1)
-      tags: general
-
     - name: NTP | Run initial NTP
       command: ntpdate -u pool.ntp.org
       tags: ntp

setup/ubuntu14.04/ansible-vars.yaml

@@ -11,5 +11,3 @@ packages:
   - ntp
   - ccache
   - subversion
-additional_ppc_be_packages:
-  - g++-4.8-multilib