Deactivate (not working) certificate handling for macOS CI builds #117

Job	Run time
create-release	11s
create-release	21s
npm-publish	1m 27s
npm-publish	1h 13m 20s
crates-publish	1s
crates-publish	6m 36s
build-launcher-binary	0s
build-launcher-binary (GH-hosted-ubuntu, 18.x)	1h 44m 27s
build-launcher-binary (macos-latest, 18.x)	1h 13m 30s
	4h 19m 53s

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