[GHC] #11660: Remove Type pretty-printer in favor of IfaceType

[GHC]

#11660: Remove Type pretty-printer in favor of IfaceType
-------------------------------------+-------------------------------------
        Reporter:  bgamari           |                Owner:
            Type:  task              |               Status:  patch
        Priority:  high              |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  7.10.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #12550, #12447,   |  Differential Rev(s):  Phab:D2528
  #11786, #11549, #12024, #12697,    |
  #12510                             |
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by simonpj):

 * priority:  normal => high
 * related:  #12550, #12447, #11786, #11549 => #12550, #12447, #11786,
     #11549, #12024, #12697, #12510


Comment:

 Adding more related tickets... It'd be good to complete this.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11660#comment:10>
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