[MacPorts] #42114: maven-devel: fix select, livecheck and remove conflict with maven3

[MacPorts]

#42114: maven-devel: fix select, livecheck and remove conflict with maven3
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  Reporter:  robsonpeixoto@…  |      Owner:  easye
      Type:  enhancement      |     Status:  new
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:
Resolution:                   |   Keywords:  haspatch
      Port:  maven-devel      |
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Comment (by chrstphrchvz):

 `maven-devel` was removed: [1d38324791/macports-ports]

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Ticket URL: <https://trac.macports.org/ticket/42114#comment:2>
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