Filter %PICKUSER out of output now that it's not used

[james]

%ruser queries have replaced %PICKUSER, so we should prevent %PICKUSER from going to IRC.

[szrof]

Could we simply replace it with %ruser, instead of stripping it altogether? Not that I've ever seen %PICKUSER..

[anonymous]

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[anonymous]

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[szrof]

Reset ticket data. Damn spammers.