also remove wanted from center call in VP_prinstack

src/main.lua

@@ -734,7 +734,7 @@ local function VP_printstack(buf, dimensions, cx,cy,cz,direction)
     for _=1,buf["height"]+1,1 do
         move("down")
     end
-    center(direction, 0)
+    center(direction)
     return cx,cz,direction
 end
 local function VP_calccost(stacks, height,sx,sz) -- calculate needed blocks