Revert .find to .where
Revert .find to .where

Due to explaination in code review,
https://github.com/CartoDB/cartodb/pull/2022#discussion_r23933778

raquel-ucl/cartodb,bloomberg/cartodb,codeandtheory/cartodb,thorncp/cartodb,UCL-ShippingGroup/cartodb-1,future-analytics/cartodb,CartoDB/cartodb,thorncp/cartodb,nuxcode/cartodb,dbirchak/cartodb,codeandtheory/cartodb,bloomberg/cartodb,dbirchak/cartodb,future-analytics/cartodb,bloomberg/cartodb,thorncp/cartodb,raquel-ucl/cartodb,thorncp/cartodb,nyimbi/cartodb,codeandtheory/cartodb,splashblot/dronedb,DigitalCoder/cartodb,DigitalCoder/cartodb,UCL-ShippingGroup/cartodb-1,nuxcode/cartodb,nuxcode/cartodb,raquel-ucl/cartodb,nyimbi/cartodb,splashblot/dronedb,UCL-ShippingGroup/cartodb-1,DigitalCoder/cartodb,nyimbi/cartodb,CartoDB/cartodb,splashblot/dronedb,nuxcode/cartodb,splashblot/dronedb,CartoDB/cartodb,CartoDB/cartodb,bloomberg/cartodb,raquel-ucl/cartodb,nyimbi/cartodb,dbirchak/cartodb,nyimbi/cartodb,DigitalCoder/cartodb,nuxcode/cartodb,codeandtheory/cartodb,dbirchak/cartodb,future-analytics/cartodb,future-analytics/cartodb,UCL-ShippingGroup/cartodb-1,codeandtheory/cartodb,UCL-ShippingGroup/cartodb-1,raquel-ucl/cartodb,dbirchak/cartodb,DigitalCoder/cartodb,splashblot/dronedb,thorncp/cartodb,bloomberg/cartodb,future-analytics/cartodb,CartoDB/cartodb