[tor-bugs] #20776 [Applications/Tor Browser Sandbox]: Remove the X11 `MIT-SHM` workaround from the stub.

[Tor Bug Tracker & Wiki]

#20776: Remove the X11 `MIT-SHM` workaround from the stub.
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     Reporter:  yawning                           |      Owner:  yawning
         Type:  enhancement                       |     Status:  new
     Priority:  Low                               |  Milestone:
    Component:  Applications/Tor Browser Sandbox  |    Version:
     Severity:  Normal                            |   Keywords:
Actual Points:                                    |  Parent ID:
       Points:                                    |   Reviewer:
      Sponsor:                                    |
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 The `sandboxed-tor-browser` `tbb_stub.so` stub currently contains a
 workaround for https://bugzilla.mozilla.org/show_bug.cgi?id=1271100.

 Once all releases are ESR52 based, this will be unnecessary and should be
 removed.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20776>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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