renamed variable

Author: dmalan

_sass/jekyll-theme-cs50.scss

@@ -21,11 +21,8 @@ $headings-font-weight: bold;
 // https://getbootstrap.com/docs/5.3/customize/color-modes/#building-with-sass
 $color-mode-type: media-query;
 
-// Custom colors
-$custom-colors: (
-  "aside-bg": $link-color !default;
-);
-$theme-colors: map-merge($theme-colors, $custom-colors);
+// Custom variable
+$aside-bg: $link-color !default;
 
 // Import Bootstrap
 @import "bootstrap/scss/bootstrap.scss";