remove default inress annotation so the ingressClassName is setable

Signed-off-by: Richard Lavey <richard.lavey@structureflow.co>

Author: rlaveycal

chart/openfaas/templates/ingress.yaml

@@ -12,10 +12,12 @@ metadata:
     chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
     release: {{ .Release.Name }}
     heritage: {{ .Release.Service }}
+  {{- if .Values.ingress.annotations }}
   annotations:
     {{- range $key, $value := .Values.ingress.annotations }}
       {{ $key }}: {{ $value | quote }}
     {{- end }}
+  {{- end }}
 spec:
   {{- if .Values.ingress.ingressClassName }}
   ingressClassName: {{ .Values.ingress.ingressClassName }}

chart/openfaas/values.yaml

@@ -291,8 +291,7 @@ ingress:
       serviceName: gateway
       servicePort: 8080
       path: /
-  annotations:
-    kubernetes.io/ingress.class: nginx
+  annotations: {}
   tls:
   # Secrets must be manually created in the namespace.