Removed no longer used apt repo

Change-Id: I36f597648a588b20f00f67c76fb0d85a9c289922

mini-mon.yml

@@ -9,15 +9,6 @@
       replication_factor: 1
     mini_mon_host: 192.168.10.4
     zookeeper_hosts: "{{mini_mon_host}}:2181"
-  pre_tasks:
-    - name: Make sure apt https is available
-      apt: name=apt-transport-https state=present
-    - name: Add in custom apt key
-      apt_key: url=https://region-a.geo-1.objects.hpcloudsvc.com/v1/46995959297574/mini-mon/public_repo/mon.gpg state=present
-    - name: Add in custom apt repo
-      apt_repository: repo='deb https://region-a.geo-1.objects.hpcloudsvc.com/v1/46995959297574/mini-mon/public_repo precise release' state=present
-    - name: apt-get update
-      apt: update_cache=yes
   tasks:
     - name: Install postfix, needed by notification engine
       apt: name=postfix state=present