WebUI: Delete empty ui/webui/resources/js/OWNERS.

Fixed: 335579256
Change-Id: I58d5ba713165927063e546c9455a4bda9d39c9a4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5466420


Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Reviewed-by: Rebekah Potter <rbpotter@chromium.org>
Auto-Submit: Demetrios Papadopoulos <dpapad@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1289452}