Remove tier for internall addresses

Error creating Address: googleapi: Error 400: Invalid value for field 'resource.networkTier': 'STANDARD'. An address with type INTERNAL cannot have a network tier., invalid

modules/net-address/main.tf

@@ -47,7 +47,6 @@ resource "google_compute_address" "internal" {
   subnetwork   = each.value.subnetwork
   address      = each.value.address
   ip_version   = each.value.ipv6 != null ? "IPV6" : "IPV4"
-  network_tier = each.value.tier
   purpose      = each.value.purpose
   labels       = coalesce(each.value.labels, {})
 }

modules/net-address/variables.tf

@@ -57,7 +57,6 @@ variable "internal_addresses" {
     labels      = optional(map(string))
     name        = optional(string)
     purpose     = optional(string)
-    tier        = optional(string)
   }))
   default = {}
 }