ITOPSENG-277 removing slurping of all /etc/atl. DCD prefer explicit variable assignment

aws_confluence_dc_node.yml

@@ -10,9 +10,6 @@
     atl_jdbc_encoding: 'UTF-8'
     atl_jdbc_collation: 'en_US.UTF-8'
 
-  vars_files:
-    - /etc/atl_vars.yml
-
   roles:
     - role: linux_common
     - role: aws_common

bin/ansible-with-atl-env

@@ -10,9 +10,6 @@ ENV_FILE=${4:-"/etc/atl"}
 
 export PATH=/usr/local/bin:$PATH
 
-# get /etc/atl into usable vars which can be included in ansible playbooks
-grep -v PASSWORD /etc/atl | sed -r -e 's/(^.+)(=)(.*$)/\L\1\E:\ \3/g' > /etc/atl_vars.yml
-
 # Set the environment with default exports
 set -a
 source $ENV_FILE