Remove deprecated implementations of OAuth2AccessTokenResponseClient #8591

Job	Run time
Build (windows-latest, 17) / Build	15m 18s
Test Against Snapshots (21-ea, 21) / Test	8m 55s
Test Against Snapshots (17, 17) / Test	8m 46s
Build (ubuntu-latest, 17) / Build	12m 21s
Deploy Schema / Deploy Schema	54s
Deploy Artifacts / Deploy Artifacts	1m 37s
Deploy Docs / Deploy Docs	1m 21s
Send Notification	4s
Perform Release / Perform Release	0s
	49m 16s

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