Drop find_prefixed_util #17349

Job	Run time
Style/toml	13s
Style/lint (ubuntu-latest, all, true)	2m 34s
Pre-commit hooks	43s
Style/lint (macos-latest, feat_os_macos)	2m 47s
Style/format (ubuntu-latest, feat_os_unix)	21s
Style/lint (windows-latest, feat_os_windows)	5m 10s
Style/Python	7s
Style/spelling (ubuntu-latest, feat_os_unix)	16s
	12m 11s

Provide feedback