[wp-trac] [WordPress Trac] #19953: Remove old show_last_update argument and related code from wp_dropdown_categories

[WordPress Trac]

#19953: Remove old show_last_update argument and related code from
wp_dropdown_categories
--------------------------+-----------------------------
 Reporter:  solarissmoke  |      Owner:
     Type:  enhancement   |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  3.3.1
 Severity:  minor         |   Keywords:
--------------------------+-----------------------------
 In `wp_dropdown_categories()` and the related walker class there is
 reference to a `show_last_update` argument which is linked to a
 `last_update_timestamp` property for category objects. That property was
 dropped about 5 years ago ([5525])!

 Patch removes these. I haven't bothered adding `_deprecated_argument()`
 calls, seeing as setting the argument doesn't actually work (you just get
 PHP warnings), and hasn't for a really long time.

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Ticket URL: <http://core.trac.wordpress.org/ticket/19953>
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