Remove unused search route.
Remove unused search route.

This hasn't been used since Nov 2012 and should be removed to prevent
confusion.

see https://github.com/solidusio/solidus/commit/234c526c5dcbea23403f7cecfc963aaafe6bf2a9

richardnuno/solidus,scottcrawford03/solidus,xuewenfei/solidus,scottcrawford03/solidus,devilcoders/solidus,jsurdilla/solidus,jordan-brough/solidus,jordan-brough/solidus,Arpsara/solidus,bonobos/solidus,Arpsara/solidus,xuewenfei/solidus,pervino/solidus,richardnuno/solidus,athal7/solidus,forkata/solidus,richardnuno/solidus,grzlus/solidus,devilcoders/solidus,lsirivong/solidus,grzlus/solidus,grzlus/solidus,xuewenfei/solidus,jsurdilla/solidus,pervino/solidus,pervino/solidus,jordan-brough/solidus,jsurdilla/solidus,forkata/solidus,pervino/solidus,forkata/solidus,jsurdilla/solidus,scottcrawford03/solidus,athal7/solidus,bonobos/solidus,devilcoders/solidus,devilcoders/solidus,athal7/solidus,Arpsara/solidus,richardnuno/solidus,Arpsara/solidus,scottcrawford03/solidus,forkata/solidus,xuewenfei/solidus,lsirivong/solidus,grzlus/solidus,jordan-brough/solidus,bonobos/solidus,athal7/solidus,lsirivong/solidus,bonobos/solidus,lsirivong/solidus