[GHC] #16173: Move `Data.Profunctor` from `profunctors` package to `base`

[GHC]

#16173: Move `Data.Profunctor` from `profunctors` package to `base`
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        Reporter:  chshersh          |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Core Libraries    |              Version:  8.6.3
      Resolution:                    |             Keywords:  base,
                                     |  profunctor, QuantifiedConstraints
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #14767            |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by andrewthad):

 If is it decided that `Profunctor` should use `QuantifiedConstraints` to
 get its `Functor` superclass, that would need to happen in library-space,
 not as it's moving into `base`. Aside from that, I don't feel particularly
 strongly about the superclass one way or the other.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16173#comment:4>
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