do not define default and add notifications

_apps/appprojects.yaml

@@ -1,23 +1,10 @@
 apiVersion: argoproj.io/v1alpha1
 kind: AppProject
-metadata:
-  name: default
-  namespace: argocd
-spec:
-  clusterResourceWhitelist:
-  - group: '*'
-    kind: '*'
-  destinations:
-  - namespace: '*'
-    server: '*'
-  sourceRepos:
-  - '*'
----
-apiVersion: argoproj.io/v1alpha1
-kind: AppProject
 metadata:
   name: system
   namespace: argocd
+  annotations:
+    recipients.argocd-notifications.argoproj.io: 'webhook:chat'
 spec:
   clusterResourceWhitelist:
   - group: '*'
@@ -33,6 +20,8 @@ kind: AppProject
 metadata:
   name: apps
   namespace: argocd
+  annotations:
+    recipients.argocd-notifications.argoproj.io: 'webhook:chat'
 spec:
   clusterResourceWhitelist:
   - group: '*'