[GHC] #11221: Remove -fwarn-context-quantification

[GHC]

#11221: Remove -fwarn-context-quantification
-------------------------------------+-------------------------------------
           Reporter:  bgamari        |             Owner:
               Type:  task           |            Status:  new
           Priority:  normal         |         Milestone:  8.2.1
          Component:  Compiler       |           Version:  7.10.3
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
-------------------------------------+-------------------------------------
 This option was deprecated and does nothing as of GHC 8.0. Remove
 `Opt_WarnContextQuantification` and its uses from `DynFlags`.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11221>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler