chore(IDX): disable system tests k8s #20991

Job	Run time
Bazel Test All	51s
Bazel Build All Config Check	0s
Bazel Build Fuzzers	2m 13s
Bazel Test macOS Intel	0s
Bazel Build Fuzzers AFL	4m 15s
Build IC	38s
Python CI Tests	1m 44s
Cargo Build Release Linux	9s
Cargo Clippy Linux	9s
Build Determinism (//publish/binaries:upload, release, build-ic/release, false)	13s
Build Determinism (//publish/canisters:upload, canisters, build-ic/canisters, false)	13s
Build Determinism (//ic-os/guestos/envs/prod:upload_disk-img, guest-os/update-img, build-ic/icos/...	12s
Build Determinism (//ic-os/hostos/envs/prod:upload_update-img, host-os/update-img, build-ic/icos/...	12s
Build Determinism (//ic-os/setupos/envs/prod:upload_disk-img, setup-os/disk-img, build-ic/icos/se...	16s
	11m 5s

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