refactor: delete temporary CODEOWNERS file #2788

Job	Run time
lint	2m 0s
build	22s
build-e2e-windows	17s
e2e-windows	-1s
Browser Compatibility Tests	0s
test	0s
publish-snapshots	-1s
e2e-package-managers	-1s
e2e	-1s
e2e-snapshots	-1s
	2m 34s

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