Revert "feat(MR): [MR-649] Roll out best-effort calls to the first fe… #691

Job	Run time
Bazel System Test Staging	23m 42s
Bazel System Test Hotfix	28m 15s
Bazel System Test Nightly	42m 3s
Dependency Scan for Release	3m 21s
Setting up guest os qualification pipeline	8s
CI Main / Bazel Build Fuzzers	4m 3s
CI Main / Bazel Test All	36m 11s
CI Main / Bazel Test macOS Intel	1h 43m 8s
CI Main / Build IC	9m 8s
CI Main / Bazel Build Fuzzers AFL	4m 12s
CI Main / Cargo Clippy Linux	24s
CI Main / Python CI Tests	1m 40s
CI Main / Cargo Build Release Linux	1m 31s
Qualifying 5ee8dcf34f26c12defcff51c2f5737214611bccc -> d781ef0aa1ada11964394bd9269675ebe84a7b86	1h 31m 53s
CI Main / Build Determinism (//publish/binaries:upload, release, build-ic/release, false)	28s
CI Main / Build Determinism (//publish/canisters:upload, canisters, build-ic/canisters, false)	27s
CI Main / Build Determinism (//ic-os/guestos/envs/prod:upload_disk-img, guest-os/update-img, build-ic/icos/...	27s
CI Main / Build Determinism (//ic-os/hostos/envs/prod:upload_update-img, host-os/update-img, build-ic/icos/...	27s
CI Main / Build Determinism (//ic-os/setupos/envs/prod:upload_disk-img, setup-os/disk-img, build-ic/icos/se...	33s
	5h 52m 1s

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