[MacPorts] #32532: ola: remove unittest-cpp dependency

[MacPorts]

#32532: ola: remove unittest-cpp dependency
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 Reporter:  ryandesign@…             |       Owner:  nomis52@…        
     Type:  enhancement              |      Status:  new              
 Priority:  Normal                   |   Milestone:                   
Component:  ports                    |     Version:  2.0.3            
 Keywords:  haspatch                 |        Port:  ola              
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 ola seems to build fine even without unittest-cpp, so I suggest that
 dependency be removed, unless there's something I'm missing.

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Ticket URL: <https://trac.macports.org/ticket/32532>
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