Remove Keg and Cask metadata files for building #437

Job	Run time
build (ubuntu-latest, 26.3, false)	51s
build (ubuntu-latest, 26.3, false)	51s
build (ubuntu-latest, 27.2, false)	45s
build (ubuntu-latest, 27.2, false)	45s
build (ubuntu-latest, 28.2, false)	47s
build (ubuntu-latest, 28.2, false)	47s
build (ubuntu-latest, 29.1, false)	47s
build (ubuntu-latest, 29.1, false)	47s
build (macos-latest, 26.3, false)	2m 13s
build (macos-latest, 26.3, false)	2m 13s
build (macos-latest, 27.2, false)	2m 23s
build (macos-latest, 27.2, false)	2m 23s
build (macos-latest, 28.2, false)	2m 43s
build (macos-latest, 28.2, false)	2m 43s
build (macos-latest, 29.1, false)	2m 14s
build (macos-latest, 29.1, false)	2m 14s
build (windows-latest, 26.3, false)	1m 58s
build (windows-latest, 26.3, false)	1m 58s
build (windows-latest, 27.2, false)	1m 1s
build (windows-latest, 27.2, false)	1m 1s
build (windows-latest, 28.2, false)	51s
build (windows-latest, 28.2, false)	51s
build (windows-latest, 29.1, false)	56s
build (windows-latest, 29.1, false)	56s
build (ubuntu-latest, snapshot, true)	38s
build (ubuntu-latest, snapshot, true)	38s
build (macos-latest, snapshot, true)	2m 17s
build (macos-latest, snapshot, true)	2m 59s
build (windows-latest, snapshot, true)	36s
build (windows-latest, snapshot, true)	39s
	42m 45s

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