Revert back to dns namespace

deployments/dns/bind.yaml

@@ -2,13 +2,13 @@
 apiVersion: v1
 kind: Namespace
 metadata:
-  name: bind9
+  name: dns
 ---
 apiVersion: v1
 kind: ConfigMap
 metadata:
   name: bind-master-config
-  namespace: bind9
+  namespace: dns
 data:
   named.conf: |
     acl "slaves" {
@@ -63,7 +63,7 @@ apiVersion: v1
 kind: ConfigMap
 metadata:
   name: bind-slave-config
-  namespace: bind9
+  namespace: dns
 data:
   named.conf: |
     options {
@@ -87,7 +87,7 @@ apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: bind-master
-  namespace: bind9
+  namespace: dns
 spec:
   replicas: 1
   selector: