fix: helm chart with COSI deployment enabled breaks on helm upgrade (#7201)

the `helm.sh/chart` line with the changing version number breaks helm upgrades to due to `matchLabels` being immutable.

drop the offending line as it does not belong into the `matchLabels`

k8s/charts/seaweedfs/templates/cosi/cosi-deployment.yaml

@@ -15,7 +15,6 @@ spec:
   selector:
     matchLabels:
       app.kubernetes.io/name: {{ template "seaweedfs.name" . }}
-      helm.sh/chart: {{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}
       app.kubernetes.io/instance: {{ .Release.Name }}
       app.kubernetes.io/component: objectstorage-provisioner
   template: