Remove broken command to copy tblgen tool.

tblgen has been renamed to llvm-tblgen so this command has been failing,
and it's no longer needed because llvm-tblgen is already installed by default.

llvm-svn: 147187

llvm/utils/buildit/build_llvm

@@ -219,9 +219,6 @@ if [ "x$LLVM_DEBUG" != "x1" ]; then
     done
 fi
 
-# Copy over the tblgen utility.
-cp `find $DIR -name tblgen` $DEST_DIR$DEST_ROOT/bin
-
 # Remove .dir files 
 cd $DEST_DIR$DEST_ROOT
 rm -f bin/.dir etc/llvm/.dir lib/.dir