Remove GUI and multi-camera exports

Stop importing and exporting GUI and multi-camera controller symbols at package level to avoid import-time side effects. Removed imports of CameraConfigDialog, DLCLiveMainWindow, MultiCameraController and MultiFrameData from dlclivegui.__init__ and removed those names from __all__. The top-level export list keeps "main" (callers should import GUI/controller types from their modules when needed).

Author: C-Achard

dlclivegui/__init__.py

@@ -7,21 +7,13 @@
     MultiCameraSettings,
     RecordingSettings,
 )
-from .gui.camera_config.camera_config_dialog import CameraConfigDialog
-from .gui.main_window import DLCLiveMainWindow
-from .main import main
-from .services.multi_camera_controller import MultiCameraController, MultiFrameData
 
 __all__ = [
     "ApplicationSettings",
     "CameraSettings",
     "DLCProcessorSettings",
     "MultiCameraSettings",
     "RecordingSettings",
-    "DLCLiveMainWindow",
-    "MultiCameraController",
-    "MultiFrameData",
-    "CameraConfigDialog",
     "main",
 ]
 __version__ = "2.0.0rc0"  # PLACEHOLDER