Use Gitlab Terraform state

.gitlab-ci.yml

@@ -18,8 +18,6 @@ elastic:
     name: registry.gitlab.com/gitlab-org/terraform-images/stable:latest
     entrypoint: [""]
   variables:
-    TF_ROOT: $TF_ROOT
-    TF_ADDRESS: $TF_ADDRESS
     TF_VAR_ec_apikey: $EC_API_KEY
   script:
     - cd ${TF_ROOT}