remove height and color addition to nav-secondary on landscape

Signed-off-by: Alex Hokanson <[email protected]>

Author: ingshtrom

_scss/_mobile.scss

@@ -231,10 +231,6 @@
     .nav-secondary-tabs {
         height: 100px;
     }
-    .nav-secondary {
-        background: $bg-sidebar;
-        height: 100px;
-    }
     .content {
         padding: 120px 20px;
     }