removes deprecated option in docc soundness check script #149

Job	Run time
Test without Docker / Linux (${{ matrix.swift_version }} - ${{ matrix.os_version }})	0s
Test with Docker / Linux (5.9 - jammy)	30s
Test without Docker / Windows (5.9 - windows-2022)	6m 42s
Test with Docker / Linux (5.10 - jammy)	31s
Test with Docker / Windows (5.9 - windows-2022)	8m 51s
Test without Docker / Windows (6.0 - windows-2022)	5m 58s
Test with Docker / Linux (6.0 - jammy)	37s
Test without Docker / Windows (6.1 - windows-2022)	7m 22s
Test with Docker / Windows (6.0 - windows-2022)	13m 18s
Test with Docker / Linux (6.1 - jammy)	38s
Test without Docker / Windows (nightly - windows-2022)	6m 24s
Test with Docker / Windows (6.1 - windows-2022)	21m 3s
Test with Docker / Linux (nightly-main - jammy)	36s
Test without Docker / Windows (nightly-6.1 - windows-2022)	3m 50s
Test with Docker / Windows (nightly - windows-2019)	9m 19s
Test with Docker / Linux (nightly-6.1 - jammy)	39s
Test with Docker / Windows (nightly-6.1 - windows-2019)	9m 25s
Soundness / API breakage check	0s
Soundness / Documentation check	45s
Soundness / Broken symlinks check	4s
Soundness / Format check	0s
Soundness / License headers check	5s
Soundness / Python lint check	13s
Soundness / Shell check	30s
Soundness / Unacceptable language check	3s
Soundness / YAML lint check	3s
	1h 37m 26s

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