[MacPorts] #65047: Remove suggestion to link `python` to `python3x`

[MacPorts]

#65047: Remove suggestion to link `python` to `python3x`
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  Reporter:  jlargentaye                         |      Owner:  (none)
      Type:  defect                              |     Status:  new
  Priority:  Normal                              |  Milestone:
 Component:  ports                               |    Version:
Resolution:                                      |   Keywords:
      Port:                                      |
  python33,python34,python35,python36,python37,python38,python39,python310,python311-devel|
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Comment (by jlargentaye):

 > who blindly followed the recommendation without understanding the
 consequences

 To elaborate: this breaks legacy scripts that hashbang-invoked `python`,
 expecting it to be Python2.7, and then fail with predictable (but to the
 layperson, inscrutable) syntax errors.

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Ticket URL: <https://trac.macports.org/ticket/65047#comment:1>
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