Remove Locate & Check #995

Job	Run time
install (8.20.0, Ubuntu, ubuntu-latest, 4.09.1)	39m 43s
install (dev, Windows, windows-latest, 4.13.1, -async-proofs-j 1, git+https://github.com/ocaml/oc...	1h 30m 52s
install (dev, macOS, macos-latest, 4.14.2)	35m 49s
install (dev, Ubuntu, ubuntu-latest, 4.09.1)	38m 49s
install (8.20.0, macOS, macos-latest, 4.14.2)	37m 12s
install (8.19.0, Ubuntu, ubuntu-latest, 4.09.1)	41m 23s
install (8.18.0, macOS, macos-latest, 4.14.2)	34m 51s
install (8.20.0, Windows, windows-latest, 4.13.1, -async-proofs-j 1, git+https://github.com/ocaml...	1h 33m 34s
install (8.18.0, Windows, windows-latest, 4.13.1, -async-proofs-j 1, git+https://github.com/ocaml...	2h 3m 54s
install (8.19.0, Windows, windows-latest, 4.13.1, -async-proofs-j 1, git+https://github.com/ocaml...	1h 36m 0s
install (8.19.0, macOS, macos-latest, 4.14.2)	31m 52s
install (8.18.0, Ubuntu, ubuntu-latest, 4.09.1)	43m 19s
	11h 47m 18s

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