[MacPorts] #44056: grass: upgrade to 7.0.0

[MacPorts]

#44056: grass: upgrade to 7.0.0
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  Reporter:  mojca@…  |      Owner:  macports-tickets@…
      Type:  defect   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  grass    |
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Comment (by ryandesign@…):

 Looks like [http://grass.osgeo.org/news/37/15/GRASS-GIS-7-0-0-beta3/
 7.0.0beta3] was released.

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Ticket URL: <https://trac.macports.org/ticket/44056#comment:4>
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