remove part of setSelection docs that's no longer true
remove part of setSelection docs that's no longer true

biasmv/pv,yuhangwang/pv,CyrusBiotechnology/pv,biasmv/pv,yuhangwang/pv,CyrusBiotechnology/pv,CyrusBiotechnology/pv,yuhangwang/pv,CyrusBiotechnology/pv,biasmv/pv,biasmv/pv,yuhangwang/pv