xds: Revert xds flow control change.#10784

Merged

YifeiZhuang merged 2 commits intogrpc:masterfrom YifeiZhuang:revert-flow-control

Dec 28, 2023

+342-520

Commits on Dec 27, 2023

Revert "xds: fix flow control test failure (grpc#10773 )"
YifeiZhuang
committed
Revert "xDS: implement ADS stream flow control mechanism (grpc#10674 )"
YifeiZhuang
committed