If i am not misstaking, .console -o would do the trick, but would stop some other usefull stuff from being logged. Else, you may try and set need-op to "" - an empty string. If that doesn't work, browse this forum a bit, your question has been answered earlier.
Ignorant and lazy people will save 30 minutes by chosing simple config file. Smart ones will save 3000 minutes of *everyone's* time by opting for complete config file.