Merge pull request #23609 from ljli/hs-lens-pkg-conf

haskell: ghc710x packages: remove superflous configuration for lens

pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix

···
   hoauth2 = overrideCabal super.hoauth2 (drv: { testDepends = (drv.testDepends or []) ++ [ self.wai self.warp ]; });
   hslogger = addBuildDepend super.hslogger self.HUnit;
   intervals = addBuildDepends super.intervals (with self; [doctest QuickCheck]);
-  lens = addBuildDepends super.lens (with self; [doctest generic-deriving nats simple-reflect]);
+  lens = addBuildDepend super.lens self.generic-deriving;
   optparse-applicative = addBuildDepend super.optparse-applicative self.semigroups;
   QuickCheck = addBuildDepend super.QuickCheck self.semigroups;
   semigroups = addBuildDepends super.semigroups (with self; [hashable tagged text unordered-containers]);