Switching to noclober central helmfile
Clone and apply the helmfile as defined here: https://gitlab-internal.builder.ai/devops/platform-helmfile
Unless a file already exists at build/helmfile.yml
Removed the previous cleanup and migration jobs as they didn't work and aren't required.
Some tests Revert build dir: https://gitlab.builder.ai/devsecops/byronm/bm-platform/-/jobs/61499538 Re-enable: https://gitlab.builder.ai/devsecops/byronm/bm-platform/-/jobs/61205397 Partial overrides: https://gitlab.builder.ai/devsecops/byronm/bm-platform/-/jobs/61426405