Remove build-parser.sh

ghc-parser/build-parser.sh

-#!/bin/bash -e
-# Called from Setup.hs.
-
-function make_parser {
-    SRCDIR=$1
-    SRCNAME=$2
-
-    # Preprocess the GHC parser we're using to CPP subs.
-    cpphs --linepragma --text ${SRCNAME}.y.pp -OParser.y
-
-    # Compile the parser and remove intermediate file.
-    happy Parser.y
-    rm Parser.y
-
-    # Move output Haskell to source directory.
-    mkdir -p $SRCDIR/Language/Haskell/GHC
-    mv Parser.hs $SRCDIR/Language/Haskell/GHC/HappyParser.hs
-}

ghc-parser/ghc-parser.cabal

@@ -18,7 +18,6 @@ cabal-version:       >=1.16
 
 -- hs-source-dirs doesn't work well, doesn't take union, so include all src dirs specifically
 extra-source-files:
-  build-parser.sh
   HaskellParser76.y.pp
   HaskellParser782.y.pp
   HaskellParser783.y.pp