[MacPorts] #70135: cairomm: drop dependency on cairomm-1.0

[MacPorts]

#70135: cairomm: drop dependency on cairomm-1.0
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 Reporter:  mohd-akram  |      Owner:  mascguy
     Type:  defect      |     Status:  assigned
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:
 Keywords:              |       Port:  cairomm
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 Seems like this was a temporary measure that maybe can be removed now.

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Ticket URL: <https://trac.macports.org/ticket/70135>
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