remove unused old method from problems model
remove unused old method from problems model

Strnadj/errbit,shyftplan/errbit,diowa/errbit,mikk150/errbit,ninech/errbit,espnbr/errbit,francetv/errbit,salemove/errbit,threatsim/errbit,iFixit/errbit,wombatsecurity/errbit,diowa/errbit,errbit/errbit,bengler/errbit,salemove/errbit,fusco/errbit,errbit/errbit,subvisual/errbit,3zcurdia/errbit,francetv/errbit,dwilkie/errbit,startdatelabs/errbit,shyftplan/errbit,diowa/errbit,bonanza-market/errbit,bonanza-market/errbit,Cloud-Temple/errbit,openSUSE/errbit,espnbr/errbit,bengler/errbit,lucianosousa/errbit,ninech/errbit,disvelop/errbit,Cloud-Temple/errbit,lucianosousa/errbit,threatsim/errbit,ninech/errbit,mikk150/errbit,iFixit/errbit,lucianosousa/errbit,iFixit/errbit,mvz/errbit,micred/errbit,wombatsecurity/errbit,cognoa/errbit,rud/errbit,3zcurdia/errbit,cognoa/errbit,jordoh/errbit,mak-it/errbit,mak-it/errbit,errbit/errbit,rightscale/errbit,stevecrozz/errbit,threatsim/errbit,mvz/errbit,wombatsecurity/errbit,dwilkie/errbit,mvz/errbit,rud/errbit,mikk150/errbit,bonanza-market/errbit,stevecrozz/errbit,threatsim/errbit,jordoh/errbit,bengler/errbit,rightscale/errbit,subvisual/errbit,rud/errbit,salemove/errbit,openSUSE/errbit,francetv/errbit,openSUSE/errbit,fusco/errbit,startdatelabs/errbit,shyftplan/errbit,Strnadj/errbit,dwilkie/errbit,cognoa/errbit,wombatsecurity/errbit,subvisual/errbit,startdatelabs/errbit,Cloud-Temple/errbit,fusco/errbit,stevecrozz/errbit,disvelop/errbit,subvisual/errbit,mak-it/errbit,3zcurdia/errbit,micred/errbit,disvelop/errbit,jordoh/errbit,Strnadj/errbit,espnbr/errbit,micred/errbit,rightscale/errbit