[MacPorts] #38861: update cgal to version 4.2

[MacPorts]

#38861: update cgal to version 4.2
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 Reporter:  mmoll@…  |      Owner:  vince@…
     Type:  update   |     Status:  new
 Priority:  Normal   |  Milestone:
Component:  ports    |    Version:  2.1.3
 Keywords:           |       Port:  cgal
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 Patch attached. This also fixes the install location of cmake files. Now
 "find_package(CGAL)" will work correctly. Deleted some code that is no
 longer necessary

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Ticket URL: <https://trac.macports.org/ticket/38861>
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