Syntax: %bDROP [password]%b

%bDROP%b allows you to cancel the registration of your
nickname, thus allowing others to re-register it.
If you have not %bIDENTIFY%b'd when you use the %bDROP%b 
command, you will need to supply your password; otherwise 
you do not need to.
%+a%b* * * *%b
%+aAdministrators can use %bDROP <nickname>%b
%+ato cancel the registration of any nickname.
