duplicate values in helm chart example

[bpmct]

@Matthew-Beckett. I noticed a couple duplicate values in the example values.yaml such as securityContext and serviceAccount.

Happy to contribute with a PR, but your guidance on which example to keep would be helpful :)

[Matthew-Beckett]

Hi Ben,

Thanks for spotting this, I'll take a look this evening GMT and submit a fix 😊

Thanks!
Matt ❤️

[Matthew-Beckett]

@bpmct ready for review!