Remove tooltip from Open in quickview.

The Open button in the quickview panel was changed from an icon
to text to match the main FilesApp panel.

This change removes the tooltip, since it's redundant.

Bug: 941956
Change-Id: I1cd38e8787a56fe9a8647a5793314dbfcb1866fd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1525248
Commit-Queue: Luciano Pacheco <lucmult@chromium.org>
Reviewed-by: Luciano Pacheco <lucmult@chromium.org>
Cr-Commit-Position: refs/heads/master@{#641032}
1 file changed