[Glitch] Enforce stricter rules for Typescript files

Port c8181eb0a4 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/flavours/glitch/components/radio_button.tsx

@@ -26,5 +26,3 @@ export const RadioButton: React.FC<Props> = ({ name, value, checked, onChange, l
     </label>
   );
 };
-
-export default RadioButton;