Remove db-prefix now that persistence is in a volume

test/310_docker_restart_test.sh

@@ -22,10 +22,7 @@ wait_for_proxy() {
 
 start_suite "Containers get same IP address on restart"
 
-# Remove any persisted data from previous runs
-run_on $HOST1 "sudo rm -f /tmp/test163-*"
-
-WEAVE_DOCKER_ARGS="-v /tmp:/db" weave_on $HOST1 launch-router --db-prefix=/db/test163-
+weave_on $HOST1 launch-router
 weave_on $HOST1 launch-proxy
 
 # Use up first address with throwaway container