Remove unnecessary empty line after css var

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

Remove unnecessary empty line after css var
4e0c62c6 · Dmitriy Zaporozhets · e9015b35 · 4e0c62c6
--- a/app/assets/stylesheets/framework/variables.scss
+++ b/app/assets/stylesheets/framework/variables.scss
@@ -45,7 +45,6 @@ $list-title-color: $gl-title-color;
 $list-text-color:  $gl-text-color;
 $list-text-height: 42px;
 /*
 * Markdown
 */