netbird: use web entrypoint, caddy handles TLS

modules/k3s/netbird/ingress.yaml

@@ -5,7 +5,7 @@ metadata:
   namespace: netbird
 spec:
   entryPoints:
-    - websecure
+    - web
   routes:
     - match: Host(`netbird.archfox.org`) && (PathPrefix(`/management.ManagementService/`) || PathPrefix(`/signalexchange.SignalExchange/`) || PathPrefix(`/management.ProxyService/`))
       kind: Rule
@@ -24,5 +24,3 @@ spec:
       services:
         - name: dashboard
           port: 80
-  tls:
-    certResolver: letsencrypt