[GHC] #10095: Migration guide says classP / equalP remain but they were removed

[GHC]

#10095: Migration guide says classP / equalP remain but they were removed
-------------------------------------+-------------------------------------
              Reporter:              |             Owner:
  wereHamster                        |            Status:  new
                  Type:  bug         |         Milestone:
              Priority:  normal      |           Version:  7.8.4
             Component:  Template    |  Operating System:  Unknown/Multiple
  Haskell                            |   Type of failure:  None/Unknown
              Keywords:              |        Blocked By:
          Architecture:              |   Related Tickets:
  Unknown/Multiple                   |
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
-------------------------------------+-------------------------------------
 https://ghc.haskell.org/trac/ghc/wiki/Migration/7.10#template-
 haskell-2.10.0.0

 Commit 57b662c3efd in template-haskell.git.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10095>
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