Move tutorial ZIPs to a dedicated repository

tutorials/2d/2d_movement.rst

@@ -289,4 +289,4 @@ You may find these code samples useful as starting points for your own projects.
 Feel free to use them and experiment with them to see what you can make.
 
 You can download this sample project here:
-:download:`2D_movement_demo.zip <files/2D_movement_demo.zip>`
+`2d_movement_starter.zip <https://github.com/godotengine/godot-docs-project-starters/releases/download/latest-4.x/2d_movement_starter.zip>`_

tutorials/2d/2d_sprite_animation.rst

@@ -28,7 +28,7 @@ animation:
 .. image:: img/2d_animation_run_preview.gif
 
 You can download the images here:
-:download:`run_animation.zip <files/run_animation.zip>`
+`2d_sprite_animation_assets.zip <https://github.com/godotengine/godot-docs-project-starters/releases/download/latest-4.x/2d_sprite_animation_assets.zip>`_
 
 Unzip the images and place them in your project folder. Set up your scene tree
 with the following nodes: