[wp-trac] [WordPress Trac] #40066: Remove the twentysixteen git clone from the Travis config

[WordPress Trac]

#40066: Remove the twentysixteen git clone from the Travis config
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 Reporter:  johnbillion       |      Owner:
     Type:  enhancement       |     Status:  new
 Priority:  normal            |  Milestone:  4.8
Component:  Build/Test Tools  |    Version:  4.4
 Severity:  normal            |   Keywords:
  Focuses:                    |
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 Chatting with @netweb we realised that the git clone of TwentySixteen
 (introduced in #34315) is now useless since the theme used during tests
 was switched to `themedir1/default` in #31550.

 This git clone unnecessarily slows down the builds on Travis.

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Ticket URL: <https://core.trac.wordpress.org/ticket/40066>
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