refactor: zellij uses default theme

Author: henry40408

home-manager/common/zellij/config.kdl

@@ -282,7 +282,7 @@ simplified_ui true
 // Choose the theme that is specified in the themes section.
 // Default: default
 //
-theme "dracula"
+// theme "dracula"
 
 // The name of the default layout to load on startup
 // Default: "default"