Remove subscriber reliability option #8071

Job	Run time
Typos Check	5s
Lints and doc tests on ubuntu-latest	8m 23s
Lints and doc tests on windows-latest	13m 9s
Unit tests on ubuntu-latest	18m 48s
Lints and doc tests on macos-13	9m 16s
Unit tests on windows-latest	29m 15s
Lints and doc tests on macos-14	5m 24s
Unit tests on macos-13	11m 18s
Unit tests on macos-14	10m 11s
Memory leak checks	2m 13s
CI status checks	1s
	1h 48m 3s

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