fix: remove unexposed and bugged methods #12253

Job	Run time
yarn_lock_check	1m 39s
build	16m 13s
version	14s
checks / lint	10m 39s
checks / markdown-link-check	51s
checks / test (ubuntu-latest)	1m 48s
checks / test (windows-latest)	2m 50s
documentation-pr / build	7m 55s
documentation-pr / deploy-on-azure-static-webapp	0s
documentation-main	0s
e2e-tests / e2e-tests	4m 15s
it-tests / prepare-verdaccio	2m 13s
it-tests / it-tests (ubuntu-latest, yarn, o3r-project-with-app)	28m 57s
it-tests / it-tests (ubuntu-latest, npm, o3r-project-with-app)	30m 41s
it-tests / it-tests (windows-latest, yarn, o3r-project-with-app)	43m 41s
it-tests / it-tests (windows-latest, npm, o3r-project-with-app)	55m 2s
publish-packages	0s
	3h 26m 58s

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