Remove the bell from the actions02 documentation example

docs/examples/guide/actions/actions02.py

@@ -5,7 +5,6 @@ from textual import events
 class ActionsApp(App):
     def action_set_background(self, color: str) -> None:
         self.screen.styles.background = color
-        self.bell()
 
     async def on_key(self, event: events.Key) -> None:
         if event.key == "r":

docs/guide/actions.md

@@ -22,7 +22,7 @@ Although it is possible (and occasionally useful) to call action methods in this
 
 The following example replaces the immediate call with a call to [action()][textual.widgets.Widget.action] which parses an action string and dispatches it to the appropriate method.
 
-```python title="actions02.py" hl_lines="10-12"
+```python title="actions02.py" hl_lines="9-11"
 --8<-- "docs/examples/guide/actions/actions02.py"
 ```