Bug 1931879 [wpt PR 49225] - Remove .tentative from popover invoker W…

…PTs, a=testonly

Automatic update from web-platform-tests
Remove .tentative from popover invoker WPTs

The spec PR landed:

  whatwg/html#10728

so this removes .tentative from the WPTs.

Bug: 364669918
Change-Id: I35e50fff8d94ff52e212844814a4e597c35d78b4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6025803
Commit-Queue: Di Zhang <dizhanggchromium.org>
Reviewed-by: Di Zhang <dizhanggchromium.org>
Auto-Submit: Mason Freed <masonfchromium.org>
Cr-Commit-Position: refs/heads/main{#1384325}

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wpt-commits: 6572d5b33f7e95cb1f857ed76d2cdd7939ef47ad
wpt-pr: 49225

UltraBlame original commit: 73e41baa89bb5804a6fb8a776bfe270b6204e7db