Merge pull request #3114 from weaveworks/issues/3103-rm-pluginv2-db

Remove db file for v2 plugin

Fixes #3103

weave

@@ -1580,7 +1580,9 @@ case "$COMMAND" in
         protect_against_docker_hang
         VOLUME_CONTAINERS=$(docker ps -qa --filter label=weavevolumes)
         [ -n "$VOLUME_CONTAINERS" ] && docker rm -v $VOLUME_CONTAINERS  >/dev/null 2>&1 || true
+        # weave-kube and v2-plugin put this file in different places; remove either
         rm -f $HOST_ROOT/var/lib/weave/weave-netdata.db >/dev/null 2>&1 || true
+        rm -f $HOST_ROOT/var/lib/weave/weavedata.db     >/dev/null 2>&1 || true
         destroy_bridge
         for LOCAL_IFNAME in $(ip link show | grep v${CONTAINER_IFNAME}pl | cut -d ' ' -f 2 | tr -d ':') ; do
             ip link del ${LOCAL_IFNAME%@*} >/dev/null 2>&1 || true