feat(LAB-4018): remove unused Right enum #7385

Job	Run time
pyright (3.12)	54s
Unit and integration tests (ubuntu-latest, 3.10)	1m 31s
pyright (3.13)	51s
Unit and integration tests (windows-latest, 3.10)	3m 27s
doc-build-test	1m 11s
Pylint test (3.10)	1m 19s
Pylint test (3.13)	1m 11s
pre-commit	40s
Unit and integration tests (ubuntu-latest, 3.13)	1m 43s
build-test	41s
pyright (3.10)	56s
Pylint test (3.12)	1m 13s
markdown-link-check	52s
Unit and integration tests (ubuntu-latest, 3.12)	1m 42s
	18m 11s

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