fix: Remove unused name_counts variable in input_container.py

Co-authored-by: cecli (openai/gemini_cli_local/gemini-2.5-pro)

Author: Your Name

cecli/tui/widgets/input_container.py

@@ -112,7 +112,6 @@ def _format_sub_agent_pills(sub_agents: list, show_squares: bool = False) -> str
             A string like ``"◍ primary ◆ reviewer (a6b)"``.
         """
         parts = []
-        name_counts = Counter(sa["name"] for sa in sub_agents)
 
         for sa in sub_agents:
             active = sa.get("active", False)