Support deleting Grease pencil channels in dopesheet. `remove_layer` function is used to remove the layer from GP object. Pull Request: https://projects.blender.org/blender/blender/pulls/111426
Support deleting Grease pencil channels in dopesheet. `remove_layer` function is used to remove the layer from GP object. Pull Request: https://projects.blender.org/blender/blender/pulls/111426