Remove graphite building, we have gcc with these deps in build

When we moved ISL, MPFR, GMP and so on inside GCC we no longer
need to do any specific building to support graphite.

build/scripts/build_cross_tools_gcc4

@@ -16,11 +16,6 @@ if [ -z "$MAKE" ]; then
 	export MAKE=make
 fi
 
-if [ -z "$HAIKU_USE_GCC_GRAPHITE" ]; then
-	echo "HAIKU_USE_GCC_GRAPHITE undefined. Assuming false"
-	export HAIKU_USE_GCC_GRAPHITE=0
-fi
-
 haikuMachine=$1
 haikuSourceDir=$2
 buildToolsDir=$3
@@ -177,21 +172,6 @@ mkdir -p "$installDir" "$objDir" "$binutilsObjDir" "$gccObjDir" "$gdbObjDir" \
 	"$stdcxxObjDir" "$tmpIncludeDir" "$tmpLibDir" || exit 1
 mkdir -p "$installDir/lib/gcc/$haikuMachine/$gccVersion"
 
-if [ "$HAIKU_USE_GCC_GRAPHITE" = 1 ]; then
-	cloogSourceDir="$buildToolsDir/cloog"
-	gmpSourceDir="$buildToolsDir/gcc/gmp"
-	islSourceDir="$buildToolsDir/isl"
-
-	islObjDir="$objDir/isl"
-	gmpObjDir="$objDir/gmp"
-	cloogObjDir="$objDir/cloog"
-	mkdir -p "$islObjDir" "$gmpObjDir" "$cloogObjDir" || exit 1
-
-	gccConfigureArgs="$gccConfigureArgs --with-cloog=$installDir \
-		--enable-cloog-backend=isl --with-isl=$installDir \
-		--with-gmp=$installDir \
-		--with-host-libstdcxx=\"-lstdc++\""
-fi
 if [ "$HAIKU_USE_GCC_PIPE" = 1 ]; then
 	ccFlags="$ccFlags -pipe"
 	cxxFlags="$cxxFlags -pipe"
@@ -230,32 +210,6 @@ $MAKE $additionalMakeArgs install || exit 1
 
 export PATH="$PATH:$installDir/bin"
 
-if [ "$HAIKU_USE_GCC_GRAPHITE" = 1 ]; then
-	# build gmp
-	cd "$gmpObjDir"
-	CFLAGS="$ccFlags" CXXFLAGS="$cxxFlags" "$gmpSourceDir/configure" \
-		--prefix="$installDir" --disable-shared --enable-cxx || exit 1
-	$MAKE $additionalMakeArgs || exit 1
-	$MAKE $additionalMakeArgs install || exit 1
-
-	# build isl
-	cd "$islObjDir"
-	CFLAGS="$ccFlags" CXXFLAGS="$cxxFlags" "$islSourceDir/configure" \
-		--prefix="$installDir" --disable-nls --disable-shared \
-		 --with-gmp-prefix="$installDir" || exit 1
-	$MAKE $additionalMakeArgs || exit 1
-	$MAKE $additionalMakeArgs install || exit 1
-
-	# build cloog
-	cd "$cloogObjDir"
-	CFLAGS="$ccFlags" CXXFLAGS="$cxxFlags" "$cloogSourceDir/configure" \
-		--prefix="$installDir" --disable-nls --disable-shared \
-		--with-gmp-prefix="$installDir" --with-isl-prefix=="$installDir" \
-		|| exit 1
-	$MAKE $additionalMakeArgs || exit 1
-	$MAKE $additionalMakeArgs install || exit 1
-fi
-
 # build gcc
 
 # prepare the include files