Remove duplicate managed-by labels

[0x2b3bfa0]

helm-charts/charts/studio/templates/_helpers.tpl

Line 43 in 9d37015

app.kubernetes.io/managed-by: {{ .Release.Service }}

[0x2b3bfa0]

@iterative/platform, merging this one because it fixes a critical bug; I have moved the other change, subject to human considerations, to a separate pull request.

[jesper7]

Thank you!

[0x2b3bfa0]

For the record, this was the error message, when running make skaffold-dev

Error: INSTALLATION FAILED: error while running post render on files: error while running command /usr/local/bin/skaffold. error output:
reading Kubernetes YAML: yaml: unmarshal errors:
  line 12: mapping key "app.kubernetes.io/managed-by" already defined at line 11
exit status 1

[0x2b3bfa0]

https://pkg.go.dev/github.com/GoogleContainerTools/skaffold/[email protected]/pkg/skaffold/yaml#UnmarshalStrict

UnmarshalStrict is like Unmarshal except that any fields that are found in the data that do not have corresponding struct members, or mapping keys that are duplicates, will result in an error.