Reverted intersection with inside-out polyhedron - test belongs in the polyehdron test

testdata/scad/features/intersection-tests.scad

@@ -39,11 +39,3 @@ translate([-12,12,0]) intersection() {
   cube([10,10,10], center=true);
   translate([0,-9.99,-9.99]) cube([10,10,10], center=true);
 }
-
-translate([-12,0,0]) intersection() {
- scale(10/sqrt(2)) 
-  polyhedron(points = [[1,0,0],[-1,0,0],[0,1,0],[0,-1,0],[0,0,1],[0,0,-1]],
-	     triangles = [[0,2,4],[0,5,2],[0,4,3],[0,3,5],[1,4,2],[1,2,5],[1,3,4], [1,5,3]],
-	     convexity = 1);
- translate([0,0,10]) cube([20,20,20], center=true);
-}