Change <td hidden> to render as display: none

This aligns with implementations and avoids potentially breaking
existing web content that expect display: none.

Tests: web-platform-tests/wpt#11339

Fixes #3728.

source

@@ -111270,10 +111270,10 @@ thead, thead[hidden] { display: table-header-group; }<!-- see also unicode-bidi:
 tbody, tbody[hidden] { display: table-row-group; }<!-- see also unicode-bidi:isolate rules -->
 tfoot, tfoot[hidden] { display: table-footer-group; }<!-- see also unicode-bidi:isolate rules -->
 tr, tr[hidden] { display: table-row; }<!-- see also unicode-bidi:isolate rules -->
-td, th, td[hidden], th[hidden] { display: table-cell; }<!-- see also unicode-bidi:isolate rules -->
+td, th { display: table-cell; }<!-- see also unicode-bidi:isolate rules -->
 
 colgroup[hidden], col[hidden], thead[hidden], tbody[hidden],
-tfoot[hidden], tr[hidden], td[hidden], th[hidden] {
+tfoot[hidden], tr[hidden] {
   visibility: collapse;
 }