remove some unused code #1728

Job	Run time
test-platforms (ubuntu-22.04)	1m 36s
test-platforms (ubuntu-20.04)	1m 35s
test-platforms (windows-latest)	2m 40s
build (AuthoringToolTest)	2m 57s
test-platforms (macos-latest)	1m 31s
build (BackendAccessTest)	2m 7s
build (BusinessLogicTest)	3m 5s
build (DataAccessTest)	3m 11s
build (GeneratorTest)	2m 45s
build (IntegrationTest)	2m 57s
build (PresentationTest)	2m 38s
build (SharedTest)	2m 34s
finish	7s
send-summary	4s
	29m 47s

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