build: remove shelljs usage #2160

Job	Run time
lint	2m 35s
build	22s
build-e2e-windows	22s
Browser Compatibility Tests	-1s
test	-1s
publish-snapshots	-1s
e2e-package-managers	0s
e2e	0s
e2e-snapshots	0s
e2e-windows	0s
	3m 16s

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