- Remove the expected warrnings when "show binary logs" are called on zero size binary log files. 


mysql-test/r/rpl_log.result:
  Remove the warnings that is no longer displayed when "show binary logs" is called on zero size log files. 
  Checked against 4.0, no warnings there.
mysql-test/r/rpl_rotate_logs.result:
  Remove the warnings that is no longer displayed when "show binary logs" is called on zero size log files. 
  Checked against 4.0, no warnings there.