Update sys.path.append(str(ROOT)) (#4852)

* Update `sys.path.append(str(ROOT))`

* Cleanup

utils/__init__.py

@@ -1,19 +0,0 @@
-# import sys
-# from pathlib import Path
-#
-# import torch
-# from PIL import ImageFont
-#
-# FILE = Path(__file__).resolve()
-# ROOT = FILE.parents[1]  # yolov5/ dir
-# if str(ROOT) not in sys.path:
-#     sys.path.append(str(ROOT))  # add ROOT to PATH
-#
-# # Check YOLOv5 Annotator font
-# font = 'Arial.ttf'
-# try:
-#     ImageFont.truetype(font)
-# except Exception as e:  # download if missing
-#     url = "https://ultralytics.com/assets/" + font
-#     print(f'Downloading {url} to {ROOT / font}...')
-#     torch.hub.download_url_to_file(url, str(ROOT / font))