remove cat command to github actions

.github/workflows/ci-validation/terraform-validation

@@ -15,7 +15,6 @@ ln -sfn ../backend_modules/null modules/backend
 for tf_file in main.tf.*.example; do
   echo "::notice::Validating $tf_file..."
   cp $tf_file main.tf
-  cat main.tf
   # Uncomment for Terraform detailed logging
   # export TF_LOG=TRACE
   terraform init