Remove auto-imports from src/__init__.py to avoid inference_sdk dependency

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/__init__.py

@@ -1,17 +1,3 @@
 """
-Pickle - Pickleball Ball Tracking System
+Pickle Vision - Pickleball Referee System
 """
-
-from .ball_detector import BallDetector
-from .court_calibrator import CourtCalibrator, InteractiveCalibrator
-from .ball_tracker import BallTracker, MultiObjectTracker
-from .video_processor import VideoProcessor
-
-__all__ = [
-    'BallDetector',
-    'CourtCalibrator',
-    'InteractiveCalibrator',
-    'BallTracker',
-    'MultiObjectTracker',
-    'VideoProcessor'
-]