Merge branch '2.5'

cura/BuildVolume.py

@@ -634,10 +634,6 @@ class BuildVolume(SceneNode):
             prime_polygon = Polygon.approximatedCircle(PRIME_CLEARANCE)
             prime_polygon = prime_polygon.getMinkowskiHull(Polygon.approximatedCircle(border_size))
 
-            #prime_polygon2 = prime_polygon.translate(18, 0)
-
-            #prime_polygon = prime_polygon2.intersectionConvexHulls(prime_polygon)
-
             prime_polygon = prime_polygon.translate(prime_x, prime_y)
             result[extruder.getId()] = [prime_polygon]