Refactor and clean up codebase by removing unused functions and reorganizing imports

- Removed unused model keys and functions from properties.py.
- Deleted projection.py as its functions were no longer needed.
- Cleaned up model_catalog.py by removing unused model directory function.
- Updated imports in various test files to reflect new module structure.
- Removed deprecated test cases related to image editing tools.
- Added new tests for ONNX runtime provider selection logic.

src/anyimage/server/geometry/__init__.py

@@ -1,7 +1 @@
-from .projection import unproject_camera_depth, unproject_depth_frame
-
-
-__all__ = (
-    "unproject_camera_depth",
-    "unproject_depth_frame",
-)
+"""Depth and normal artifact processing."""