Bug 1850786 [wpt PR 41718] - Rename dangling-markup-window-name test,…

… a=testonly

Automatic update from web-platform-tests
Rename dangling-markup-window-name test

Since the dangling markup in target name is merged to the html spec[1],
let's remove the tentative name from the test.

[1] whatwg/html#9309

Bug: 1421440
Change-Id: I75a47e0c155cd81f72eafe45a9118a93b8904ba7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4827645
Auto-Submit: Jun Kokatsu <jkokatsu@google.com>
Reviewed-by: Yifan Luo <lyf@chromium.org>
Commit-Queue: Yifan Luo <lyf@chromium.org>
Commit-Queue: Jun Kokatsu <jkokatsu@google.com>
Cr-Commit-Position: refs/heads/main@{#1190256}

--

wpt-commits: 1b0f7bb302766bb65125a7fb7c6732d6f41f86ce
wpt-pr: 41718