Improved CLI error reporting for users (#458)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

ultralytics/hub/__init__.py

@@ -1,38 +1,14 @@
 # Ultralytics YOLO 🚀, GPL-3.0 license
 
-import os
-import shutil
-
-import psutil
 import requests
-from IPython import display  # to display images and clear console output
 
 from ultralytics.hub.auth import Auth
 from ultralytics.hub.session import HubTrainingSession
 from ultralytics.hub.utils import PREFIX, split_key
-from ultralytics.yolo.utils import LOGGER, emojis, is_colab
-from ultralytics.yolo.utils.torch_utils import select_device
+from ultralytics.yolo.utils import LOGGER, emojis
 from ultralytics.yolo.v8.detect import DetectionTrainer
 
 
-def checks(verbose=True):
-    if is_colab():
-        shutil.rmtree('sample_data', ignore_errors=True)  # remove colab /sample_data directory
-
-    if verbose:
-        # System info
-        gib = 1 << 30  # bytes per GiB
-        ram = psutil.virtual_memory().total
-        total, used, free = shutil.disk_usage("/")
-        display.clear_output()
-        s = f'({os.cpu_count()} CPUs, {ram / gib:.1f} GB RAM, {(total - free) / gib:.1f}/{total / gib:.1f} GB disk)'
-    else:
-        s = ''
-
-    select_device(newline=False)
-    LOGGER.info(f'Setup complete ✅ {s}')
-
-
 def start(key=''):
     # Start training models with Ultralytics HUB. Usage: from src.ultralytics import start; start('API_KEY')
     def request_api_key(attempts=0):