Revert "Promote guides to second level header"

config.toml

@@ -81,21 +81,6 @@ featureKatacoda = false
   url        = "https://github.com/buildpacks"
   weight     = 4
 
-  [[menu.docs]]
-  name       = "Application Developer Guide"
-  url        = "/docs/app-developer-guide"
-  weight     = 1
-
-  [[menu.docs]]
-  name       = "Buildpack Author Guide"
-  url        = "/docs/buildpack-author-guide"
-  weight     = 2
-
-  [[menu.docs]]
-  name       = "Platform Operator Guide"
-  url        = "/docs/operator-guide/"
-  weight     = 3
-
 [security]
   enableInlineShortcodes = false
   [security.exec]

themes/buildpacks/layouts/partials/header.html

@@ -30,14 +30,4 @@
       <a class="github-button icon-button bg-blue button d-none d-lg-flex" href="https://github.com/buildpacks">GitHub</a>
     </div>
   </nav>
-
-  <nav id="subnav" class="navbar navbar-expand-sm" role="navigation">
-    <ul class="nav navbar-nav">
-      {{ range $.Site.Menus.docs }}
-      <li class="nav-link text-center">
-        <a class="nav-link py-2 py-lg-0 px-1" href="{{.URL}}">{{.Name}}</a>
-      </li>
-      {{ end }}
-    </ul>
-  </nav>
 </header>

themes/buildpacks/layouts/partials/sidebar.html

@@ -52,7 +52,7 @@
   {{- if ne $numberOfPages 0 }}
   {{- $depth = add (int $depth) 1 }}
   <ul class="ml-2">
-    {{- $expand = (or $isCurrent) -}}
+    {{- $expand = (or .Params.expand $isCurrent) -}}
     {{- $pages := (.Pages | union .Sections) }}
     {{- range $pages.ByWeight }}
     {{- if (not .Params.hidden) }}