[MacPorts] #56379: root5: remove +clang35 +clang36 variants

[MacPorts]

#56379: root5: remove +clang35 +clang36 variants
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  Reporter:  dbevans  |      Owner:  cjones051073
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  root5    |
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Comment (by pmetzger):

 cjones051073: should we in fact be obsoleting root5 then?

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Ticket URL: <https://trac.macports.org/ticket/56379#comment:5>
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