Keep original variable types in overrides

For example in cases when value is boolean false
it is translated to string 'false' in overrides.yml
This commit removes unneeded variables interpolation.

Change-Id: I5ce043016e4805e6e92b91b4e38098b3892e3947
Related-Prod: https://mirantis.jira.com/browse/PROD-16078
1 file changed