Remove table cellspacing attribute from the admin, part-props MattyRob, fixes #22086.
Built from https://develop.svn.wordpress.org/trunk@27036


git-svn-id: http://core.svn.wordpress.org/trunk@26912 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove one more valign, props neoxx, fixes #22712.
Built from https://develop.svn.wordpress.org/trunk@27037


git-svn-id: http://core.svn.wordpress.org/trunk@26913 1a063a9b-81f0-0310-95a4-ce76da25c4cd