[tor-bugs] #19164 [Applications/Tor Browser]: Backport - Remove support for SHA-1 HPKP pins

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#19164: Backport - Remove support for SHA-1 HPKP pins
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 Reporter:  bugzilla                             |          Owner:  tbb-
     Type:  defect                               |  team
 Priority:  Medium                               |         Status:
Component:  Applications/Tor Browser             |  needs_review
 Severity:  Normal                               |      Milestone:
 Keywords:  tbb-security, TorBrowserTeam201606R  |        Version:
Parent ID:                                       |     Resolution:
 Reviewer:                                       |  Actual Points:
                                                 |         Points:
                                                 |        Sponsor:
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Comment (by arthuredelstein):

 I tested this branch and it built and Tor Browser ran OK. Looks good to
 me.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19164#comment:4>
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