remove unimplemented keys
@@ -166,8 +166,6 @@ To access the Level Editor open a level and press `TAB`.
| `Mouse Wheel` | Zoom and pan |
| `CTRL+z` | Undo |
| `q` | Toggle snapping mode |
-| `SHIFT` | Fix original aspect ratio while scaling |
-| `CTRL` | Fix aspect ratio 1:1 while scaling |
| `SHIFT+Up/Down` | Change overlaping order of selected object |
| `CTRL+c/v` | Copy/paste selected object |
| `F2` | Rename selected object |
