admin: UserProfile.organized_competitions is now a property, reflect that in the code
admin: UserProfile.organized_competitions is now a property, reflect that in the code

tbabej/roots,rtrembecky/roots,matus-stehlik/roots,rtrembecky/roots,rtrembecky/roots,tbabej/roots,tbabej/roots,matus-stehlik/roots,matus-stehlik/roots