Update index.md

Author: alexmyczko

collections/pixel-art-tools/index.md

@@ -1,7 +1,6 @@
 ---
 items:
  - aseprite/aseprite/
- - pulkomandy/grafx2/
  - piskelapp/piskel/
  - jvalen/pixel-art-react/
  - maierfelix/poxi/
@@ -16,6 +15,7 @@ items:
  - rgab1508/PixelCraft
  - PixiEditor/PixiEditor
  - Kully/pixel-paint
+ - pulkomandy/grafx2/
 display_name: Pixel Art Tools
 created_by: leereilly
 image: pixel-art-tools.png