Improve inline comment for removing default padding styles for the Toolbar.

Props nofearinc.
Fixes #25373.

Built from https://develop.svn.wordpress.org/trunk@25563


git-svn-id: http://core.svn.wordpress.org/trunk@25481 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Improve inline documentation for wp-trackback.php.

Props kpdesign.
Fixes #25377.

Built from https://develop.svn.wordpress.org/trunk@25564


git-svn-id: http://core.svn.wordpress.org/trunk@25482 1a063a9b-81f0-0310-95a4-ce76da25c4cd