simplify ghc options, let rtsopts be whatever is default

Author: simonmichael

quickbench.cabal

@@ -37,7 +37,6 @@ library
 executable quickbench
   hs-source-dirs:      app
   main-is:             Main.hs
-  ghc-options:         -threaded -rtsopts -with-rtsopts=-N
   build-depends:
      quickbench == 1.0
     ,base
@@ -51,7 +50,7 @@ test-suite quickbench-test
   main-is:             Spec.hs
   build-depends:       base
                      , quickbench
-  ghc-options:         -threaded -rtsopts -with-rtsopts=-N -Wall
+  ghc-options:         -Wall
   default-language:    Haskell2010
 
 source-repository head