[MacPorts] #59051: Remove *-graveyard ports

[MacPorts]

#59051: Remove *-graveyard ports
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  Reporter:  jmroot                     |      Owner:  (none)
      Type:  enhancement                |     Status:  new
  Priority:  Normal                     |  Milestone:
 Component:  ports                      |    Version:
Resolution:                             |   Keywords:
      Port:  py-graveyard p5-graveyard  |
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Comment (by jmroot):

 {{{
 subport p5.26-something {
     replaced_by p5.30-something
     PortGroup obsolete 1.0
 }
 }}}
 It shouldn't be hard to add a new option like `perl5.obsolete_versions` to
 the perl5 portgroup to automate this if you want.

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Ticket URL: <https://trac.macports.org/ticket/59051#comment:11>
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