Again remove rdns so we can work before migration...

resource.linode_rdns.this_ipv4.tf

@@ -1,8 +0,0 @@
-resource "linode_rdns" "this_ipv4" {
-  address = linode_instance.this.ip_address
-  depends_on = [
-    linode_domain_record.this_ipv4,
-  ]
-  rdns               = "${var.host_name}.${var.domain_name}"
-  wait_for_available = true
-}

resource.linode_rdns.this_ipv6.tf

@@ -1,8 +0,0 @@
-resource "linode_rdns" "this_ipv6" {
-  address = element(split("/", linode_instance.this.ipv6), 0)
-  depends_on = [
-    linode_domain_record.this_ipv6,
-  ]
-  rdns               = "${var.host_name}.${var.domain_name}"
-  wait_for_available = true
-}