chore: remove ninetailed.ninja (#490) #501

Job	Run time
js-test-and-release / check	51s
js-test-and-release / test-firefox	11s
js-test-and-release / test-chrome	15s
js-test-and-release / test-node (windows-latest, lts/*)	3m 12s
js-test-and-release / test-chrome-webworker	10s
js-test-and-release / test-node (ubuntu-latest, lts/*)	12s
js-test-and-release / test-node (macos-latest, lts/*)	1m 31s
js-test-and-release / test-electron-main	27s
js-test-and-release / test-electron-renderer	17s
js-test-and-release / test-firefox-webworker	10s
js-test-and-release / test-webkit (ubuntu-latest, lts/*)	11s
js-test-and-release / test-webkit-webworker (ubuntu-latest, lts/*)	9s
js-test-and-release / test-webkit (macos-latest, lts/*)	1m 21s
js-test-and-release / test-webkit-webworker (macos-latest, lts/*)	40s
js-test-and-release / release-check	2s
js-test-and-release / release	24s
	10m 3s

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