refs #19946 [finc] overriding default bootstrap accessibility plugin scss variables

* own variables are not needed here any more

themes/finc/scss/_customMixins.scss

@@ -23,7 +23,7 @@
 }
 
 // Outline Mixin -- complements BS outline mixin in partials/mixin but does not rewrite it
-@mixin outline($size: $outline-default-size-finc, $color: $outline-default-color-finc, $style: $outline-default-style-finc) {
+@mixin outline($size: $outline-default-size, $color: $outline-default-color, $style: $outline-default-style) {
   outline: $style $size $color;
 }
 

themes/finc/scss/_customVariables.scss

@@ -115,10 +115,10 @@ $border-default-white: 1px solid $white !default;
 $border-right-width: 1px !default;
 $margin-right-width: inherit !default;
 
-//// Outlines (focus, accessibility etc.) -- complements similar BS values
-$outline-default-color-finc: $black !default;
-$outline-default-size-finc: 1px !default;
-$outline-default-style-finc: solid !default;
+//// Outlines (focus, accessibility etc.) -- overriding default bootstrap accessibility plugin scss variables
+$outline-default-color: $black !default;
+$outline-default-size: 1px !default;
+$outline-default-style: solid !default;
 
 //// PAGER
 $pagination-disabled-color: $gainsboro !default;