delete test.

src/client/styles/scss/theme/_apply-colors.scss

@@ -14,7 +14,6 @@ $bordercolor-nav-tabs: #dee2e6 !default;
 $bordercolor-nav-tabs-hover: #e9ecef #e9ecef $bordercolor-nav-tabs !default;
 $color-nav-tabs-link-active: #495057 !default;
 $bordercolor-nav-tabs-active: $bordercolor-nav-tabs $bordercolor-nav-tabs $bgcolor-global !default;
-$test: #abc;
 
 // override bootstrap variables
 $body-bg: $bgcolor-global;