[wp-trac] [WordPress Trac] #31576: Remove old media placeholder functions and callbacks

[WordPress Trac]

#31576: Remove old media placeholder functions and callbacks
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 Reporter:  iseulde       |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  4.2
Component:  TinyMCE       |    Version:  3.9
 Severity:  normal        |   Keywords:
  Focuses:  javascript    |
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Ticket URL: <https://core.trac.wordpress.org/ticket/31576>
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