[MacPorts] #58011: gawk: remove readline support

[MacPorts]

#58011: gawk: remove readline support
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  Reporter:  ryandesign   |      Owner:  Schamschula
      Type:  enhancement  |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  gawk         |
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Comment (by Schamschula):

 Of course, adding a note that those who do need readline support should
 install the {{{rlwrap}}} port would also be an option.

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Ticket URL: <https://trac.macports.org/ticket/58011#comment:2>
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