remove unneeded npm token from snapshot release job #13

Job	Run time
test-rn-ios	14m 55s
test-node-web5 (20, ubuntu-latest)	1m 58s
test-browsers (desktop-safari)	4m 13s
test-node-web5 (18, ubuntu-latest)	1m 51s
test-electron (windows-latest)	5m 5s
test-browsers (desktop-chrome)	4m 23s
test-electron (ubuntu-latest)	2m 23s
test-browsers (desktop-firefox)	4m 8s
test-electron (macos-latest)	4m 18s
test-browsers (desktop-edge)	4m 9s
test-browsers (mobile-safari)	4m 1s
test-browsers (mobile-chrome)	3m 54s
	55m 18s

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