Remove handling of doForget/doForce when unaddressed

Closes jamessan/Supybot-Infobot#3
Signed-off-by: James McCoy <vega.james@gmail.com>
Remove trailing ? for factoid keys.

Actually closes jamessan/Supybot-Infobot#4
Signed-off-by: James McCoy <vega.james@gmail.com>