Sheets.py now removes the scad files it generates.

Bodge for race condition on Win7.
Note PDF files have change due to new version of InkScape but should look the same.

dibond/sheets/frame_base_dxf.scad

@@ -1,2 +0,0 @@
-use <../../scad/main.scad>
-frame_base_dxf();

dibond/sheets/frame_gantry_and_y_carriage_dxf.scad

@@ -1,2 +0,0 @@
-use <../../scad/main.scad>
-frame_gantry_and_y_carriage_dxf();

dibond/sheets/frame_gantry_dxf.scad

@@ -1,2 +0,0 @@
-use <../../scad/main.scad>
-frame_gantry_dxf();

dibond/sheets/frame_left_dxf.scad

@@ -1,2 +0,0 @@
-use <../../scad/main.scad>
-frame_left_dxf();

dibond/sheets/frame_right_dxf.scad

@@ -1,2 +0,0 @@
-use <../../scad/main.scad>
-frame_right_dxf();

dibond/sheets/frame_stays_dxf.scad

@@ -1,2 +0,0 @@
-use <../../scad/main.scad>
-frame_stays_dxf();

dibond/sheets/y_carriage_dxf.scad

@@ -1,2 +0,0 @@
-use <../../scad/main.scad>
-y_carriage_dxf();

dibond/sheets/y_heatshield_dxf.scad

@@ -1,2 +0,0 @@
-use <../../scad/main.scad>
-y_heatshield_dxf();