Update files/en-us/mozilla/firefox/releases/142/index.md

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: hamishwillee

files/en-us/mozilla/firefox/releases/142/index.md

@@ -58,7 +58,6 @@ Firefox 142 is the current [Beta version of Firefox](https://www.firefox.com/en-
   The {{domxref("Scheduling")}} interface and {{domxref("Navigator.scheduling")}} property are not supported.
   ([Firefox bug 1966997](https://bugzil.la/1966997)).
 
-
 <!-- #### Media, WebRTC, and Web Audio -->
 
 <!-- #### Removals -->