[MacPorts] #71315: Stop using shibboleth SP port

[MacPorts]

#71315: Stop using shibboleth SP port
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 Reporter:  scantor  |      Owner:  (none)
     Type:  defect   |     Status:  new
 Priority:  Normal   |  Milestone:
Component:  ports    |    Version:
 Keywords:           |       Port:  shibboleth
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 The Shibboleth SP is being actively worked on for replacement by a
 different code base and is not officially supported on the Mac at this
 point anyway. It will be officially retired (in this form) in a few years.

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Ticket URL: <https://trac.macports.org/ticket/71315>
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