Awburn: set as inactive (#7405)

awburn/style.css

@@ -12,6 +12,7 @@ License: GNU General Public License v2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 Text Domain: awburn
 Tags: blog, news, portfolio, one-column, three-columns, wide-blocks, block-patterns, custom-colors, custom-logo, custom-menu, editor-style, featured-images, full-site-editing, rtl-language-support, style-variations, template-editing, theme-options, threaded-comments, translation-ready, awburn
+Status: inactive
 */
 
 /*