Update Terraform config and revert staging deploy change

This changeset updates the Terraform user configuration in several environments to factor in team member changes, and reverts the previous change to the staging deploy to see if there was an issue with the last update which is preventing the workflow from running now.

Signed-off-by: Carlo Costino <carlo.costino@gsa.gov>

terraform/staging/main.tf

@@ -49,9 +49,7 @@ module "egress-space" {
   cf_org_name              = local.cf_org_name
   cf_restricted_space_name = local.cf_space_name
   deployers = [
-    var.cf_user,
-    "steven.reilly@gsa.gov",
-    "carlo.costino@gsa.gov"
+    var.cf_user
   ]
 }