[GHC] #9639: Remove OldTypeable

[GHC]

#9639: Remove OldTypeable
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              Reporter:  dreixel     |            Owner:
                  Type:  task        |           Status:  patch
              Priority:  normal      |        Milestone:  7.10.1
             Component:  Compiler    |          Version:  7.9
            Resolution:              |         Keywords:
      Operating System:              |     Architecture:  Unknown/Multiple
  Unknown/Multiple                   |       Difficulty:  Easy (less than 1
       Type of failure:              |  hour)
  None/Unknown                       |       Blocked By:
             Test Case:              |  Related Tickets:
              Blocking:              |
Differential Revisions:  Phab:D311   |
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Comment (by dreixel):

 I have only one concern: the patch also removes `Typeable{1..7}`. Michael,
 could you perhaps check how much code is using these (deprecated) classes?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9639#comment:11>
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