clarifications on defrouter_delreq();   - removed meaningless function.   - removed (semantically) unsed arguments.   - commented the function should not be used from anywhere except     defrouter_select().
clarifications on defrouter_delreq();
  - removed meaningless function.
  - removed (semantically) unsed arguments.
  - commented the function should not be used from anywhere except
    defrouter_select().

MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame