Remove obsolete files

  * Those files delivered via packer

Change-Id: Ic05ce7435ce2fbcb59554400690c355ab48dd6e4
diff --git a/init.yml b/init.yml
index 6008024..a92853b 100644
--- a/init.yml
+++ b/init.yml
@@ -458,10 +458,6 @@
   linux:
     system:
       file:
-        /root/interfaces:
-          source: https://raw.githubusercontent.com/Mirantis/mcp-common-scripts/${_param:apt_mk_version}/mirror-image/config/interfaces
-        /root/minion.conf:
-          source: https://raw.githubusercontent.com/Mirantis/mcp-common-scripts/${_param:apt_mk_version}/mirror-image/config/minion.conf
         ubuntu-16-04-x64.qcow2:
           name: /srv/http/images/ubuntu-16-04-x64-mcp${_param:apt_mk_version}.qcow2
           source: http://ci.mcp.mirantis.net:8085/images/ubuntu-16-04-x64-mcp${_param:apt_mk_version}.qcow2