List tables: Select All should not be a column header.

It sets a redundant relationship with all checkboxes in its column and also conveys wrong information for screen readers.

props afercia, valendesigns.
see #31654.
Built from https://develop.svn.wordpress.org/trunk@32984


git-svn-id: http://core.svn.wordpress.org/trunk@32955 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Sergey Biryukov
2015-06-28 05:46:25 +00:00
parent 275fc220ef
commit b26accf35a
16 changed files with 156 additions and 108 deletions

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