Removed Extra version number update at revocation start.

Change-Id: If8e2c4b5f425d2570084f747b7926078e0b8259c

Author: Juha Heiskanen

source/6LoWPAN/ws/ws_bbr_api.c

@@ -743,9 +743,6 @@ int ws_bbr_node_access_revoke_start(int8_t interface_id)
 {
     (void) interface_id;
 #ifdef HAVE_WS_BORDER_ROUTER
-    protocol_interface_info_entry_t *cur = protocol_stack_interface_info_get_by_id(interface_id);
-
-    ws_bbr_pan_version_increase(cur);
     return ws_pae_controller_node_access_revoke_start(interface_id);
 #else
     return -1;