[GHC] #11437: Don't put static (version-based) feature gates in compilerInfo

[GHC]

#11437: Don't put static (version-based) feature gates in compilerInfo
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        Reporter:  ezyang            |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.11
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by thomie):

 Ah, for some reason I was thinking about the `settings` file.

 Sure, if everything keeps working, remove 'em.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11437#comment:3>
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