Revert "Reland "[DEPS] update luci-go""

This reverts commit f19f9e01.

Reason for revert: crbug/1144638 The changes have worked for webrtc, but is causing failures for iOS official bots. We'll wait for the autoroll and ensure that CL is in place before re-landing this if that's okay.

Original change's description:
> Reland "[DEPS] update luci-go"
>
> This reverts commit 94863f6a.
>
> Reason for revert: 
> https://crrev.com/c/2518615 fixed the previous issue.
>
> Original change's description:
> > Revert "[DEPS] update luci-go"
> >
> > This reverts commit 1585878b.
> >
> > Reason for revert:
> > https://crbug.com/1144638
> > https://crbug.com/webrtc/12126
> >
> > Original change's description:
> > > [DEPS] update luci-go
> > >
> > > Bug: 1142713
> > > Change-Id: Id330d0c9a0e225e5fbf8ae12abeb6b8d55f46262
> > > Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2507246
> > > Reviewed-by: Yoshisato Yanagisawa <yyanagisawa@google.com>
> > > Commit-Queue: Yoshisato Yanagisawa <yyanagisawa@google.com>
> > > Commit-Queue: Takuto Ikuta <tikuta@chromium.org>
> > > Auto-Submit: Takuto Ikuta <tikuta@chromium.org>
> > > Cr-Commit-Position: refs/heads/master@{#822547}
> >
> > TBR=yyanagisawa@google.com,tikuta@chromium.org
> >
> > # Not skipping CQ checks because original CL landed > 1 day ago.
> >
> > Bug: 1142713, 1144638, webrtc:12126
> > Change-Id: Ie06d7c40065630f28ac44fe6f2dac82f91e64da1
> > Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2517405
> > Reviewed-by: Takuto Ikuta <tikuta@chromium.org>
> > Commit-Queue: Takuto Ikuta <tikuta@chromium.org>
> > Cr-Commit-Position: refs/heads/master@{#823859}
>
> TBR=yyanagisawa@google.com,tikuta@chromium.org,mbonadei@chromium.org
>
> # Not skipping CQ checks because original CL landed > 1 day ago.
>
> Bug: 1142713
> Bug: 1144638
> Bug: webrtc:12126
> Change-Id: I3cdb4d01a5d603b95d03b93b8dd43d81a84f7a2b
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2519179
> Auto-Submit: Takuto Ikuta <tikuta@chromium.org>
> Reviewed-by: Mirko Bonadei <mbonadei@chromium.org>
> Commit-Queue: Takuto Ikuta <tikuta@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#824332}

TBR=tikuta@chromium.org,mbonadei@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: 1142713
Bug: 1144638
Bug: webrtc:12126
Change-Id: I33f3cf4b84818a8abbf5d468fb9165543af5f434
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2522982Reviewed-by: Sebastien Lalancette <seblalancette@chromium.org>
Commit-Queue: Jeff Yoon <jeffyoon@chromium.org>
Cr-Commit-Position: refs/heads/master@{#825019}

DEPS

@@ -182,7 +182,7 @@ vars = {
   # luci-go CIPD package version.
   # Make sure the revision is uploaded by infra-packagers builder.
   # https://ci.chromium.org/p/infra-internal/g/infra-packagers/console
-  'luci_go': 'git_revision:1a022d3a4c50be4207ee93451255d71896416596',
+  'luci_go': 'git_revision:576741d3eed0fa33971fb34cd823650e6f5b47fb',
 
   # This can be overridden, e.g. with custom_vars, to build clang from HEAD
   # instead of downloading the prebuilt pinned revision.