Remove ControlsWidget

Author: kPatch

coffee_ws/src/coffee_voice_agent_ui/coffee_voice_agent_ui/widgets/__init__.py

@@ -9,13 +9,11 @@
 from .conversation_widget import ConversationWidget
 from .tool_monitor_widget import ToolMonitorWidget
 from .analytics_widget import AnalyticsWidget
-from .controls_widget import ControlsWidget
 
 __all__ = [
     'AgentStatusWidget',
     'EmotionDisplayWidget', 
     'ConversationWidget',
     'ToolMonitorWidget',
-    'AnalyticsWidget',
-    'ControlsWidget'
+    'AnalyticsWidget'
 ]