[MacPorts] #62789: openmpi: remove subports for clang 3.3 and 3.4

[MacPorts]

#62789: openmpi: remove subports for clang 3.3 and 3.4
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  Reporter:  mascguy  |      Owner:  mascguy
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  openmpi  |
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Comment (by jmroot):

 Removing these subports may well be the right move, but I wouldn't use the
 stats to justify it given the small sample size and the "long tail" nature
 of the data.

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Ticket URL: <https://trac.macports.org/ticket/62789#comment:2>
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