removing doctest

Author: kazu-yamamoto

enable_doctest.sh

@@ -180,15 +180,3 @@ test-suite spec
 
     if flag(devel)
         cpp-options: -DDEVELOPMENT
-
-test-suite doctests
-    type:             exitcode-stdio-1.0
-    main-is:          doctests.hs
-    buildable:        False
-    hs-source-dirs:   tests
-    default-language: Haskell2010
-    ghc-options:      -Wall
-    build-depends:
-        base >=4.9 && <5,
-        doctest >=0.10.1,
-        network