chore: remove unused e2e test module block (#742)

cleaning up some nails.

This block will reappear in `environments/ops/main.tf` in a forthcoming PR.

terraform/environments/staging/main.tf

@@ -19,18 +19,3 @@ module "emblem_staging" {
   gcr_pubsub_format       = true
   require_deploy_approval = false
 }
-
-// Set up Website E2E tests against a staging environment
-module "emblem_staging_website_e2e_tests" {
-  source     = "../../modules/website-e2e-test"
-  project_id = var.project_id
-  region     = var.region
-  repo_owner = var.repo_owner
-  repo_name  = var.repo_name
-
-  // Temporary variables; used until Website
-  // E2E tests are integrated with setup.sh
-  // TODO: adjust these variables once integration is complete.
-  count           = 0
-  content_api_url = ""
-}