cleanup: removed clustername from chart, not in use

Co-authored-by: Trong Huu Nguyen <trong.huu.nguyen@nav.no>
Co-authored-by: Vegar Sechmann Molvig <vegar.sechmann.molvig@nav.no>

charts/wonderwall/Feature.yaml

@@ -7,10 +7,6 @@ environmentKinds:
   - tenant
   - legacy
 values:
-  clusterName:
-    description: Which cluster am I running in?
-    computed:
-      template: '"{{ .Env.name }}"'
   aiven.project:
     description: Aiven project for Redis.
     computed:

charts/wonderwall/templates/deployment.yaml

@@ -59,8 +59,6 @@ spec:
             value: {{ .Values.otel.endpoint }}
           - name: OTEL_RESOURCE_ATTRIBUTES
             value: {{ .Values.otel.resourceAttributes }}
-          - name: CLUSTERNAME
-            value: {{ .Values.clusterName }}
           - name: WONDERWALL_REDIS_USERNAME
             valueFrom:
               secretKeyRef:

charts/wonderwall/values.yaml

@@ -1,8 +1,6 @@
 nameOverride: ""
 fullnameOverride: ""
 
-clusterName: "unknown-cluster"
-
 image:
   repository: europe-north1-docker.pkg.dev/nais-io/nais/images/wonderwall
   tag: latest