Remove support for simple objects in endpoints #20401

Job	Run time
Build: ubuntu-latest	19s
Build: windows-latest	1m 24s
Lint	1m 14s
Test: ubuntu-latest (node@18)	4m 10s
Test (Smoke): ubuntu-latest (node@18)	3m 9s
Test: ubuntu-latest ([email protected])	4m 0s
Test (E2E): ubuntu-latest ([email protected])	2m 57s
Test (Smoke): windows-latest (node@18)	2m 29s
Test: macos-latest (node@18)	6m 7s
Test (E2E): windows-latest ([email protected])	6m 4s
Test: windows-latest ([email protected])	6m 21s
	38m 14s

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