Revert "[cv] speculative patch to panic loop"
Revert "[cv] speculative patch to panic loop"

This reverts commit 0654f9247ad17af576c3de9e29d72681ddc6fb9d.

Reason for revert: I don't think it will help

Original change's description:
> [cv] speculative patch to panic loop
>
> Bug: 1377225
> Change-Id: If870efbe1ce0ac738b633f31a970aa00a9422244
> Reviewed-on: https://chromium-review.googlesource.com/c/infra/luci/luci-go/+/3969715
> Reviewed-by: Yulan Lin <fa22fbbce8ab65d96ec9925b9c61a0c0692eb649@google.com>

Bug: 1377225
Change-Id: Ib18d1c73c7185cbd0b527f2144d2f08802170bcc
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/infra/luci/luci-go/+/3970977
Commit-Queue: Scott Lee <1dcb292530f82960316cb3d87cd67c3f212b79cb@chromium.org>
Reviewed-by: Yulan Lin <fa22fbbce8ab65d96ec9925b9c61a0c0692eb649@google.com>

luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go,luci/luci-go