home-assistant: Set instance label for Argo CD

Argo CD wants every resource managed by an application to have that
application's name as the value of the `app.kubernetes.io/instance`
label.

home-assistant/mosquitto.yaml

@@ -3,7 +3,6 @@ kind: PersistentVolumeClaim
 metadata:
   labels:
     app.kubernetes.io/component: mosquitto
-    app.kubernetes.io/instance: mosquitto
     app.kubernetes.io/name: mosquitto
     app.kubernetes.io/part-of: home-assistant
   name: mosquitto
@@ -20,7 +19,6 @@ kind: Service
 metadata:
   labels:
     app.kubernetes.io/component: mosquitto
-    app.kubernetes.io/instance: mosquitto
     app.kubernetes.io/name: mosquitto
     app.kubernetes.io/part-of: home-assistant
   name: mosquitto
@@ -31,7 +29,6 @@ spec:
     nodePort: 30783
   selector:
     app.kubernetes.io/component: mosquitto
-    app.kubernetes.io/instance: mosquitto
     app.kubernetes.io/name: mosquitto
   type: NodePort
 
@@ -41,7 +38,6 @@ kind: StatefulSet
 metadata:
   labels:
     app.kubernetes.io/component: mosquitto
-    app.kubernetes.io/instance: mosquitto
     app.kubernetes.io/name: mosquitto
     app.kubernetes.io/part-of: home-assistant
   name: mosquitto
@@ -50,13 +46,11 @@ spec:
   selector:
     matchLabels:
       app.kubernetes.io/component: mosquitto
-      app.kubernetes.io/instance: mosquitto
       app.kubernetes.io/name: mosquitto
   template:
     metadata:
       labels:
         app.kubernetes.io/component: mosquitto
-        app.kubernetes.io/instance: mosquitto
         app.kubernetes.io/name: mosquitto
         app.kubernetes.io/part-of: home-assistant
     spec: