fix Vector ++ Image

Author: jcupitt

TODO

@@ -1,15 +1,3 @@
-- test_image.ws fails with:
-
-	error in binary ++
-	left = 50
-	right = Image <604x604 float, 2 bands, multiband 0x580a32188220>
-	called from "Test_images_item.Colour_atlas_item.action._result.blocks''"
-
-  because we no longer allow non-class on the left for ++ overloads
-
-  need a Vector on the left I guess
-
-
 - nicholas's bug report
 
 - lcomps leave stray unreffed symbols in "list unresolved"

share/nip4/start/_types.def

@@ -272,8 +272,7 @@ Vector value = class
 			is_Vector x &&
 			len value == len x.value &&
 			op.type == Operator_type.COMPOUND_REWRAP],
-		[x.Image (vec op'.op_name x.value value),
-			is_Image x],
+		// (is_Image x) is left for the Image class to handle
 		[vec op'.op_name x value,
 			is_image x],
 		[op.fn this.value x,