remove user-achievements on user-destroy
remove user-achievements on user-destroy

philippbayer/snpr,vivekiitkgp/snpr,philippbayer/snpr,gedankenstuecke/snpr,openSNP/snpr,philippbayer/snpr,vivekiitkgp/snpr,gedankenstuecke/snpr,vivekiitkgp/snpr,openSNP/snpr,gedankenstuecke/snpr,vivekiitkgp/snpr,openSNP/snpr,philippbayer/snpr,openSNP/snpr,gedankenstuecke/snpr