Merge pull request #2687 from sul-dlss/unused-variables

Remove unused variables

app/assets/stylesheets/local_variables.scss

@@ -3,18 +3,4 @@
 $brandbar-height: 35px;
 $brandbar-padding-vertical: $spacer;
 
-$home-masthead-height: 119px;
-
-$breadcrumb-bg: transparent;
-$breadcrumb-padding-vertical: $spacer;
-
-$nav-link-padding: $spacer;
-
 $modal-header-footer-height-guess: 280px;
-
-// NOTE: It's believed this was introduced to fix one or both of these bugs:
-//  https://github.com/sul-dlss/exhibits/issues/1684
-//  https://github.com/sul-dlss/exhibits/issues/1618
-// This appears to have the same effect as using .container-md rather than .container
-// Only set max-width of containers at breakpoints above "sm"
-$container-max-widths: map-remove($container-max-widths, "sm");