There is no more `video-playlist` shortcode. To use video, it is now `[playlist type="video" ....]`. Also deleting core playlist styles. The `style` attribute is still supported, defaulting to `light`. Our core style support was 4-5 CSS rules. 

See #27552. Leaving open for comments and potential bugs.


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git-svn-id: http://core.svn.wordpress.org/trunk@27621 1a063a9b-81f0-0310-95a4-ce76da25c4cd