Merge pull request matplotlib#92 from QuLogic/drop-x

Drop Twitter/X from the header bar

Author: story645

mpl_sphinx_theme/mpl_icon_links.html

@@ -3,7 +3,6 @@
     { "url": "https://gitter.im/matplotlib/matplotlib", "icon": "fa-brands fa-gitter", "name": "Gitter" },
     { "url": "https://discourse.matplotlib.org", "icon": "fa-brands fa-discourse", "name": "Discourse" },
     { "url": "https://github.com/matplotlib/matplotlib", "icon": "fa-brands fa-github", "name": "GitHub" },
-    { "url": "https://twitter.com/matplotlib/", "icon": "fa-brands fa-twitter", "name": "Twitter" },
   ] -%}
 {%- endif -%}
 {% extends "navbar-icon-links.html" %}