fix: remove save emoji (#25)

As reported in #20, the emoji displayed when data is saved to file
causes issues. As this is not a vital feature, we are removing it
for the sake of better compatibility on MacOS.

Fixes #20.

austin_tui/controller.py

@@ -260,7 +260,7 @@ def _dump_stats() -> None:
  fout.write(line + "\n")
  self.view.notification.set_text(
  self.view.markup(
- f"Stats saved as <running>{escape(filename)}</running> 📝 "
+ f"Stats saved as <running>{escape(filename)}</running> "
  )
  )
  except IOError as e: