Revert "Reland "[Desktop Zoom] Enable feature by default at Small variant""

This reverts commit 6f26d46bc35297e77beb1c7470db30cd3828d7b5.

Reason for revert: crbug.com/523369952

Failure Link: <LINK TO FAILURE>

Original change's description:
> Reland "[Desktop Zoom] Enable feature by default at Small variant"
>
> This is a reland of commit 97cf8ee4507626cf5d3250d1eb968a5e4ff56222
>
> Fix: The issue was a test failure run on CI bots, and was
>      part of the internal repo. Fixed here:
>      https://chrome-internal-review.git.corp.google.com/c/clank/internal/apps/+/9375184
>
> Original change's description:
> > [Desktop Zoom] Enable feature by default at Small variant
> >
> > Bug: 450281745
> > Change-Id: I9b6d06b08d37250cc2c542e25316dac07e85d1b0
> > Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7905812
> > Reviewed-by: Sirisha Kavuluru <skavuluru@google.com>
> > Reviewed-by: Rakina Zata Amni <rakina@chromium.org>
> > Commit-Queue: Mark Schillaci <mschillaci@google.com>
> > Cr-Commit-Position: refs/heads/main@{#1642981}
>
> Include-Ci-Only-Tests: chromium.android.desktop:android-desktop-x64-rel-15-tests|chrome_public_test_apk
> Bug: 450281745
> Change-Id: Id55683522c10421ef93eb79d4e4bacd30fbebfa9
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7908339
> Reviewed-by: Rakina Zata Amni <rakina@chromium.org>
> Commit-Queue: Mark Schillaci <mschillaci@google.com>
> Reviewed-by: Sirisha Kavuluru <skavuluru@google.com>
> Cr-Commit-Position: refs/heads/main@{#1646079}

Bug: 450281745
Change-Id: I7217f2b18bbfbeab41384c28339a4977fe47bb3c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7933054
Bot-Commit: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
Reviewed-by: Mark Schillaci <mschillaci@google.com>
Commit-Queue: David Maunder <davidjm@chromium.org>
Owners-Override: David Maunder <davidjm@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1646289}
NOKEYCHECK=True
GitOrigin-RevId: 5196965eba16895ef4d2b424ad6d01c15389b4f1