remove trailing newline

just had to make a trivial change for dokku :shit:

test/bulk.sh

@@ -14,4 +14,4 @@ for uuid in `cat "$dir/uuids.txt"`; do
     helm="&helm"
   fi
   curl -sSL -o /dev/null -w "%{url_effective} %{http_code} %{time_total}s\\n" "http://$host/avatars/$uuid?size=$size$helm"
-done
+done