chore: remove expired v0.3.1 compatibility shims (#5106)

nanobot/cli/commands.py

@@ -815,7 +815,6 @@ def _load_runtime_config(config: str | None = None, workspace: str | None = None
     except ValueError as e:
         console.print(f"[red]Error: {e}[/red]")
         raise typer.Exit(1)
-    _warn_deprecated_config_keys(config_path)
     if workspace:
         loaded.agents.defaults.workspace = workspace
     return loaded
@@ -836,24 +835,6 @@ def _read_trigger_cli_message(message: str | None) -> str:
     raise typer.Exit(1)
 
 
-def _warn_deprecated_config_keys(config_path: Path | None) -> None:
-    """Hint users to remove obsolete keys from their config file."""
-    import json
-
-    from nanobot.config.loader import get_config_path
-
-    path = config_path or get_config_path()
-    try:
-        raw = json.loads(path.read_text(encoding="utf-8"))
-    except Exception:
-        return
-    if "memoryWindow" in raw.get("agents", {}).get("defaults", {}):
-        console.print(
-            "[dim]Hint: `memoryWindow` in your config is no longer used "
-            "and can be safely removed.[/dim]"
-        )
-
-
 def _load_inspection_config(
     config: str | None = None,
     workspace: str | None = None,
@@ -873,7 +854,6 @@ def _load_inspection_config(
     except ValueError as exc:
         console.print(f"[red]Error: {exc}[/red]")
         raise typer.Exit(1) from exc
-    _warn_deprecated_config_keys(display_path)
     if workspace:
         loaded.agents.defaults.workspace = workspace
     return display_path, loaded