ILinePlot: Remove unused _attr field
ILinePlot: Remove unused _attr field

bjackman/trappy,joelagnel/trappy,joelagnel/trappy,joelagnel/trappy,ARM-software/trappy,bjackman/trappy,ARM-software/trappy,ARM-software/trappy,bjackman/trappy,ARM-software/trappy,joelagnel/trappy,bjackman/trappy