tests

refactor: remove TypeScript declaration file and clean up tsconfig #762

Job	Run time
yarn-lockfile-check / lockfile-check	11s
linux-unit-tests / determine-node-versions	6s
linux-unit-tests / prevent-typescript-dependency	0s
linux-unit-tests / linux-unit-tests (20)	3m 41s
linux-unit-tests / linux-unit-tests (22.17.0)	3m 42s
windows-unit-tests	0s
nuts	0s
	7m 40s

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