Remove the flag HA_NOT_READ_PREFIX_LAST because ORDER BY orders wrong then; also remove the diagnostic print to avoid cluttering the error log


sql/ha_innodb.cc:
  Remove the flag HA_NOT_READ_PREFIX_LAST because ORDER BY orders wrong then; also remove the diagnostic print to avoid cluttering the error log
sql/ha_innodb.h:
  Remove the flag HA_NOT_READ_PREFIX_LAST because ORDER BY orders wrong then; also remove the diagnostic print to avoid cluttering the error log