fix(k8s): remove Instrumentation CRs before anything else #2908

Job	Run time
ubuntu / stable / coverage	1m 45s
cargo fmt	17s
codespell	13s
cargo clippy (windows-latest)	1m 52s
cargo clippy (ubuntu-latest)	38s
cargo shear (unused dependencies) (ubuntu-latest)	15s
cargo shear (unused dependencies) (windows-latest)	1m 25s
⚖️ Check third party licenses	5m 13s
cargo doc (windows-latest)	4m 2s
cargo doc (ubuntu-latest)	1m 44s
Unit test for embedded downloader	25s
Build release binaries	2m 28s
tests as root (ubuntu-latest)	3m 25s
K8s integration tests (part2)	8m 13s
Unit, docs and onhost integration tests (ubuntu-latest)	7m 26s
K8s integration tests (part1)	9m 22s
Unit, docs and onhost integration tests (windows-latest)	13m 54s
tests as root (windows-latest)	6m 8s
K8s integration tests (flux-self-update)	8m 47s
security / Rust audit scanner	2m 36s
tests with oci registry (ubuntu-latest)	3m 23s
tests with oci registry (windows-latest)	6m 4s
k8s-e2e-tests / K8s e2e tests infra	10m 29s
k8s-e2e-tests / K8s e2e tests	4s
🟢 All required checks and tests pass	5s
	1h 40m 13s

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