test(Popover): remove redundant test

[booc0mtaco]

Summary:

• re feat(menu): add HeadlessUI-based menu component #1389 , remove an old and redundant test. getElement already verifies you can attach to the element from the trigger

Test Plan:

• Wrote automated tests
• CI tests / new tests are not applicable
• Manually tested my changes, but I want to keep the details secret
• Manually tested my changes, and here are the details:
  • verify all tests continue passing (no dependency on this test)

[github-actions]

size-limit report 📦

Path	Size
components	118.91 KB (0%)
styles	3.12 KB (0%)

[codecov]

Codecov Report

Merging #1584 (aaae457) into next (2857ae4) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             next    #1584   +/-   ##
=======================================
  Coverage   91.70%   91.70%           
=======================================
  Files         279      279           
  Lines        4292     4292           
  Branches      786      786           
=======================================
  Hits         3936     3936           
  Misses        330      330           
  Partials       26       26           

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