clean up .gitignore and remove unused Terraform variable templates

Author: max-ostapenko

.gitignore

@@ -3,27 +3,10 @@
 
 # Terraform
 .terraform
-*.tfstate
-*.tfstate.*
 *.terraform.lock.hcl
-secret.tfvars
-override.tf
-override.tf.json
-*_override.tf
-*_override.tf.json
-*tfplan*
-.terraformrc
-terraform.rc
-*.tfvars
-*.local.tfvars
-spec.yaml
-
-# env
-.envrc
 
 # CLI
 .DS_Store
 
-
 node_modules/
 src/coverage/