Bug 1626521 [wpt PR 22593] - Remove incorrect test, a=testonly

Automatic update from web-platform-tests
Remove incorrect test (#22593)

This test isn't testing what it is claiming to (or much of anything
thing). The border-collapse property only applies to table and
inline-table elements, but this test contains no table.
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wpt-commits: f0ddf81b4c64d09faba6c63d8440cacc6d0a0a02
wpt-pr: 22593

Author: frivoal