[MacPorts] #70080: Make supported archs none implied by platforms any

[MacPorts]

#70080: Make supported archs none implied by platforms any
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 Reporter:  barracuda156  |      Owner:  (none)
     Type:  defect        |     Status:  new
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:  2.9.3
 Keywords:                |       Port:
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 There are arguably no cases where it makes sense to have platforms set to
 any but arch ''not'' set to none. Perhaps make that implied to minimize
 unnecessary code?

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Ticket URL: <https://trac.macports.org/ticket/70080>
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