llvm: remove stray files

From: Tilman Sauerbeck <tilman@crux.nu>

We just unpacked the CFE tarball only to delete it afterwards.

llvm/.md5sum

@@ -1,4 +1,3 @@
-87945973b7c73038871c5f849a818588  cfe-3.4.2.src.tar.gz
 36a89de82dfe6ca99829743591cf8112  config.h
 a20669f75967440de949ac3b1bad439c  llvm-3.4.2.src.tar.gz
 fcd6954a7fbd05687990e59e87131c3e  llvm-config.h

llvm/Pkgfile

@@ -7,16 +7,12 @@
 name=llvm
 version=3.4.2
 release=1
-source=(http://llvm.org/releases/$version/{$name,cfe}-$version.src.tar.gz \
+source=(http://llvm.org/releases/$version/$name-$version.src.tar.gz \
         config.h llvm-config.h)
 
 build() {
-  mv cfe-$version.src $name-$version.src/tools/clang
-
   cd $name-$version.src
 
-  rm -rf tools/clang
-
   ./configure --prefix=/usr \
     --without-oprofile \
     --enable-cxx11 \