Remove unused styles

resources/assets/styles/layouts/_pages.scss

 body.app-template {
-  header.banner {
-    top: 0;
-    z-index: 1;
-    opacity: 0.9;
-
-    .menu-item a {
-      color: $light;
-    }
-  }
-
   .top-banner {
     height: 300px;
   }
-
-  &.admin-bar {
-    header.banner {
-      margin-top: 32px;
-    }
-  }
 }