Revert "Figure out our extra lib dirs correctly."

This reverts commit fe4dcf2ae2f5f4118e3df6ae28d63b304482683c.

Setup.hs

@@ -1,25 +1,2 @@
-import Data.Maybe
-import qualified Distribution.PackageDescription as P
 import Distribution.Simple
-import Distribution.Simple.LocalBuildInfo
-import Distribution.Simple.Setup
-import System.Directory
-
-main = defaultMainWithHooks simpleUserHooks { confHook = conf }
-
-conf :: (P.GenericPackageDescription, P.HookedBuildInfo) -> ConfigFlags -> IO LocalBuildInfo
-conf x flags = do
-  localBuildInfo <- confHook simpleUserHooks x flags
-  let packageDescription = localPkgDescr localBuildInfo
-      library = fromJust $ P.library packageDescription
-      libraryBuildInfo = P.libBuildInfo library in do
-      dir <- getCurrentDirectory
-      return localBuildInfo {
-        localPkgDescr = packageDescription {
-          P.library = Just $ library {
-            P.libBuildInfo = libraryBuildInfo {
-              P.extraLibDirs = (dir ++ "/prototype/External/tree-sitter/out/Release") : P.extraLibDirs libraryBuildInfo
-            }
-          }
-        }
-      }
+main = defaultMain

semantic-diff.cabal

@@ -7,7 +7,7 @@ author:              Rob Rix, Josh Vera
 maintainer:          rob.rix@github.com
 copyright:           2015 GitHub
 category:            Web
-build-type:          Custom
+build-type:          Simple
 -- extra-source-files:
 cabal-version:       >=1.10