Cleanup additional capabilities display in user-edit.php. Mark a string for translation.

Props johnjamesjacoby, SergeyBiryukov
fixes #14267


git-svn-id: https://core.svn.wordpress.org/trunk@23737 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove old phpdoc that incorrectly marks wp_timezone_choice() as temporary.

Props danielbachhuber
fixes #23804


git-svn-id: https://core.svn.wordpress.org/trunk@23738 1a063a9b-81f0-0310-95a4-ce76da25c4cd