refactor: remove version 20 migrations #1643

Job	Run time
list	29s
workflow (modules-builder-tests)	1m 49s
workflow (devkit-core-tests-rerun)	1m 16s
workflow (devkit-core-tests)	1m 25s
workflow (build-cli)	1m 30s
workflow (build-unit-tests)	2m 17s
	8m 46s

Provide feedback