[importer] Don't log lat/lon column detection if none found
[importer] Don't log lat/lon column detection if none found

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