[MacPorts] #55756: sixs 2.1: new port for 6SV2.1

[MacPorts]

#55756: sixs 2.1: new port for 6SV2.1
-------------------------+-----------------
  Reporter:  ForTozs     |      Owner:
      Type:  submission  |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  sixs        |
-------------------------+-----------------
Changes (by ForTozs):

 * Attachment "Portfile" removed.

 Portfile

--
Ticket URL: <https://trac.macports.org/ticket/55756>
MacPorts <https://www.macports.org/>
Ports system for macOS