rm: fix gnu coreutils test one-file-system.sh #15447

Job	Run time
Pre-commit hooks	39s
Style/toml	10s
Style/Python	5s
Style/spelling (ubuntu-latest, feat_os_unix)	17s
Style/format (ubuntu-latest, feat_os_unix)	15s
Style/lint (windows-latest, feat_os_windows)	3m 27s
Style/lint (macos-latest, feat_os_macos)	2m 8s
Style/lint (ubuntu-latest, all, true)	2m 45s
	9m 46s

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