chore: ignore Ultralytics local cache and drop from version control

Add Ultralytics/ to .gitignore and remove tracked cache/settings JSON so they stay machine-local only.

Made-with: Cursor

.gitignore

@@ -21,3 +21,6 @@ refs/
 .idea/
 .vscode/
 .DS_Store
+
+# Ultralytics / YOLO: local cache and user settings (keep on machine only)
+Ultralytics/

Ultralytics/persistent_cache.json

@@ -1,3 +0,0 @@
-{
-  "cpu_info": "arm"
-}

Ultralytics/settings.json

@@ -1,21 +0,0 @@
-{
-  "settings_version": "0.0.6",
-  "datasets_dir": "/Users/kevin/Codes/hgtk/operation-room-monitor-server/datasets",
-  "weights_dir": "/Users/kevin/Codes/hgtk/operation-room-monitor-server/weights",
-  "runs_dir": "/Users/kevin/Codes/hgtk/operation-room-monitor-server/runs",
-  "uuid": "d9d880555edc417ea917cbee7c9b11ddc98c4fc80cb7aa6f377c74fa8ed5b7c8",
-  "sync": true,
-  "api_key": "",
-  "openai_api_key": "",
-  "clearml": true,
-  "comet": true,
-  "dvc": true,
-  "hub": true,
-  "mlflow": true,
-  "neptune": true,
-  "raytune": true,
-  "tensorboard": false,
-  "wandb": false,
-  "vscode_msg": true,
-  "openvino_msg": true
-}