Remove saving of post_format in autosave and revisions, fixes #24455

git-svn-id: http://core.svn.wordpress.org/trunk@24397 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Compress scripts/styles: 3.6-beta3-24398.

git-svn-id: http://core.svn.wordpress.org/trunk@24398 1a063a9b-81f0-0310-95a4-ce76da25c4cd