[wp-trac] [WordPress Trac] #28870: Remove unused function register_column_headers

[WordPress Trac]

#28870: Remove unused function register_column_headers
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 Reporter:  michalzuber   |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  General       |     Version:  trunk
 Severity:  normal        |  Resolution:
 Keywords:  close         |     Focuses:  administration
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Comment (by michalzuber):

 Thank you ocean90, great point, I learned something. PHPDoc over that
 class says it's for backward compatibilty.

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Ticket URL: <https://core.trac.wordpress.org/ticket/28870#comment:2>
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