Drop tests for set/getFirstVisibleScreenRow
Drop tests for set/getFirstVisibleScreenRow

These are now tested in text-editor-component-spec

kevinrenaers/atom,stinsonga/atom,CraZySacX/atom,brettle/atom,kevinrenaers/atom,andrewleverette/atom,kevinrenaers/atom,decaffeinate-examples/atom,sotayamashita/atom,AlexxNica/atom,AlexxNica/atom,Mokolea/atom,decaffeinate-examples/atom,PKRoma/atom,ardeshirj/atom,FIT-CSE2410-A-Bombs/atom,Arcanemagus/atom,liuderchi/atom,liuderchi/atom,t9md/atom,Arcanemagus/atom,brettle/atom,t9md/atom,t9md/atom,decaffeinate-examples/atom,atom/atom,Arcanemagus/atom,CraZySacX/atom,brettle/atom,Mokolea/atom,stinsonga/atom,andrewleverette/atom,CraZySacX/atom,ardeshirj/atom,andrewleverette/atom,stinsonga/atom,atom/atom,Mokolea/atom,FIT-CSE2410-A-Bombs/atom,sotayamashita/atom,PKRoma/atom,sotayamashita/atom,decaffeinate-examples/atom,liuderchi/atom,stinsonga/atom,atom/atom,PKRoma/atom,FIT-CSE2410-A-Bombs/atom,liuderchi/atom,AlexxNica/atom,ardeshirj/atom