Revert "Fix read thread blocking in sendResponseAndWait causing READ_ENTRY_REQUEST p99 latency spike (#4730)"

[hangc0276]

This reverts commit 8664dd9.

Descriptions of the changes in this PR:

Fix #xyz

Main Issue: #xyz

BP: #xyz

Motivation

Revert the PR #4730 due to the deadlock: #4730 (comment)

Changes

(Describe: what changes you have made)

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[StevenLuMT]

good jobs