Use karaf/OSGi bundle data path for persistence

Change-Id: If5a4eb1fb63ca3455200c29e9981c7a0f2dd044e
diff --git a/tools/dev/bin/onos-setup-karaf b/tools/dev/bin/onos-setup-karaf
index bd3379c..b0e891d 100755
--- a/tools/dev/bin/onos-setup-karaf
+++ b/tools/dev/bin/onos-setup-karaf
@@ -47,7 +47,7 @@
 # If clean option was specified, wipe-out existing installation
 if [ "$CLEAN" = "true" ]; then
     echo "Removing existing ONOS Karaf, apps, data and config directories..."
-    [ -d $KARAF_ROOT ] && rm -fr $KARAF_ROOT $STAGE/apps $STAGE/data $STAGE/config
+    [ -d $KARAF_ROOT ] && rm -fr $KARAF_ROOT $KARAF_ROOT/data $STAGE/apps $STAGE/data $STAGE/config
 fi
 
 # If IP was not given, nor configured attempt to use ONOS_NIC env. variable