Fix typo.

Author: Maikuolan

assets/references.yml

@@ -24,7 +24,7 @@ Links:
  PHP:
   Earth:
    Facebook: "<a href="https://www.facebook.com/groups/2204685680/" dir="ltr" rel="noopener noreferrer external">PHP.earth@Facebook</a>"
-   Website: "<a id="websitelink" href="https://php.earth/" dir="ltr" hreflang="en" rel="noopener noreferrer external">PHP.earth</a>"
+   Website: "<a href="https://php.earth/" dir="ltr" hreflang="en" rel="noopener noreferrer external">PHP.earth</a>"
  phpMussel:
   Extras: "<a href="https://github.com/phpMussel/extras" dir="ltr" hreflang="en" rel="noopener noreferrer external">phpMussel/extras</a>"
   Issues: "<a href="https://github.com/phpMussel/phpMussel/issues" dir="ltr" hreflang="en" rel="noopener noreferrer external">phpMussel/phpMussel/issues</a>"