dxf: removed test lines

inabox.dxf/DrawData.cs

@@ -326,8 +326,6 @@ public class GdiGraphics : IGraphics
 
         var ascentRatio = (float)font.FontFamily.GetCellAscent(font.Style) / font.FontFamily.GetLineSpacing(font.Style);
 
-        DrawLine(Color.Black, 1, new(), new(100, 0));
-
         var size = Graphics.MeasureString(text, font, new PointF(), StringFormat.GenericTypographic);
 
         var scaleFactor = ascentRatio * font.Height / size.Height;