Simpler attempt to fix wasm_of_ocaml #711

Job	Run time
docker-master	1h 22m 1s
publish-standalone-dry-run	19s
test-standalone (master, dev, default)	1m 27s
build-wasm-of-ocaml (master, 4.14.1)	3m 6s
generated-files (master)	22m 24s
standalone-haskell (master)	46m 22s
build-js-of-ocaml (master, 4.11.1)	13m 12s
test-amd64	2h 18m 4s
validate-docker-master	3m 5s
deploy-js-wasm-of-ocaml	0s
docker-check-all	3s
	5h 10m 3s

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