🐛 fix(dns_zones.tf): removed unneeded tag filter on dummy-vpc (#23)

Hit an error running Terragrunt, too many vpcs in the environment. Turns
out each of the clusters was creating it's own dummy vpc and tagging it
as for that cluster since we had a cluster specific tag filter

dns_zones.tf

@@ -44,11 +44,10 @@ provider "aws" {
 
 provider "aws" {
   alias = "self"
-  # Commented as in testing we are assuming this role already
-  # assume_role {
-  #   role_arn     = format("arn:%v:iam::%v:role/r-inf-terraform", data.aws_arn.current.partition, data.aws_caller_identity.current.account_id)
-  #   session_name = var.os_username
-  # }
+  assume_role {
+    role_arn     = format("arn:%v:iam::%v:role/r-inf-terraform-route53", data.aws_arn.current.partition, data.aws_caller_identity.current.account_id)
+    session_name = var.os_username
+  }
 }
 
 #-------------------------------------------------
@@ -125,10 +124,6 @@ data "aws_vpc" "dummy_vpc" {
     name   = "tag:Name"
     values = ["vpc0-dummy"]
   }
-  filter {
-    name   = "tag:eks-cluster-name"
-    values = [var.cluster_name]
-  }
 }
 
 resource "aws_vpc" "vpc" {
@@ -137,8 +132,7 @@ resource "aws_vpc" "vpc" {
   enable_dns_hostnames = false
   tags = merge(
     var.tags,
-    { "Name" = "vpc0-dummy" },
-    { "eks-cluster-name" = var.cluster_name }
+    { "Name" = "vpc0-dummy" }
   )
 }