Remove debugging artifacts

The change in 027e2ea741bdbcb6e1afc3fe527c3fdf045825c3 included some
debugging code that should have been removed before being added. This
removes it.

Change-Id: Ia56e1eb7305683b6c00b27a727fc8e094c65a963
diff --git a/lib/ceilometer b/lib/ceilometer
index f6f605b..90c7705 100644
--- a/lib/ceilometer
+++ b/lib/ceilometer
@@ -156,8 +156,6 @@
 # runs that a clean run would need to clean up
 function cleanup_ceilometer {
     if [ "$CEILOMETER_BACKEND" = 'mongodb' ] ; then
-        echo "### cleaning database"
-        read
         mongo ceilometer --eval "db.dropDatabase();"
     elif [ "$CEILOMETER_BACKEND" = 'es' ] ; then
         curl -XDELETE "localhost:9200/events_*"