[MacPorts] #19872: remove unnecessary dependency of gradle port to the groovy port

[MacPorts]

#19872: remove unnecessary dependency of gradle port to the groovy port
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 Reporter:  breskeby@…             |       Owner:  breskeby@…           
     Type:  defect                 |      Status:  new                  
 Priority:  Normal                 |   Milestone:                       
Component:  ports                  |     Version:  1.7.1                
 Keywords:                         |        Port:  gradle               
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 actually the portfile of gradle defines dependencies to groovy. in version
 0.6.1 gradle ships its own groovy dist, so no dependency is needed here.

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Ticket URL: <http://trac.macports.org/ticket/19872>
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