[wp-trac] [WordPress Trac] #20831: Remove unused variable from wp_update_themes()

[WordPress Trac]

#20831: Remove unused variable from wp_update_themes()
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 Reporter:  duck_         |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Future Release
Component:  General       |    Version:  3.1
 Severity:  normal        |   Keywords:  has-patch
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 `$update_request` is never used. See [15455].

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Ticket URL: <http://core.trac.wordpress.org/ticket/20831>
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