fixing readme (rm dxf)

README.md

@@ -31,30 +31,6 @@ PTH Plated Trough Hole, NPTH Non Plated Trough Hole Pads and Vias
 Launch the Annular Check script in pcbnew from Tools menu:  
 ![Annular Check](screenshots/annular-checker.gif)
 
----
-## Export pcb technical layers to DXF
-**kicadpcb2dxf**  
-_dxf exporter for mechanical layers of a kicad_pcb board_  
-- "Dwgs", "Cmts", "Edge", "Eco1", "Eco2", "F.Fab", "B.Fab", "F.CrtYd", "B.CrtYd"  
-- the dxf generated has single line draw as it should be for mechanical interchange (this option is missing in pcbnew plot)  
-
-creates DXF file of technical layers of the selected kicad pcb board
-  
-![kicad pcb2dxf](screenshots/export-pcb2dxf.png)  
-
-(this is a part of kicad StepUp tools; please refer to kicad StepUp tools for the full licence)
-
- kicadpcb2dxf: Copyright (c) 2015 Maurice easyw  
- dxf_parser="r12writer from ezdxf 0.7.6": Copyright (C) 2016, Manfred Moitzi with MIT License  
- 
-done:  
-- [x] added line, circle, arc primitives  
-- [x] added footprint support  
-- [x] fixed negative arc case  
-- [x] added text support (mirror & alignement not supported)  
-- [x] added multiline text  
-- [x] add quote support  
-
 ---
 ## Move Selected Drawings to chosen Layer
 Tool to Move Selected Drawing(s) to chosen new Layer