Revert "[infra] Dummy change to test OWNERS enforcement"

This reverts commit 098835f7.

Reason for revert: Testing reverts

Original change's description:
> [infra] Dummy change to test OWNERS enforcement
>
> No-Try: true
> Bug: chromium:1235962
> Change-Id: I6dabb9855e5db118315c33ab106ac7ba2c4721b8
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3068938
> Owners-Override: Michael Achenbach <machenbach@chromium.org>
> Reviewed-by: Michael Achenbach <machenbach@chromium.org>
> Commit-Queue: Michael Achenbach <machenbach@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#76051}

Bug: chromium:1235962
Change-Id: I5d3d865c2e8b4c69122a2b6ee6c0bcb9bd1ec6f6
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3068940
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Owners-Override: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#76053}

infra/playground/README.md

-This directory's purpose is test OWNERS enforcement.
-
-And this is one more interesting line of text.
\ No newline at end of file
+This directory's purpose is test OWNERS enforcement.
\ No newline at end of file