add remove_broken rpm script

utils/remove_broken.sh

+#!/bin/sh
+
+if [ "$1" = "--helper" ] ; then
+    shift
+    epm checkpkg "$1" && exit
+    echo "$1" >>$0.toremove
+    exit 1
+fi
+
+P=/var/ftp/pub/ALTLinux/
+[ -n "$1" ] && P="$1"
+
+find "$P" -type f -name "*.rpm" | xargs -n1 $0 --helper