docfx: Remove collapsible sections

They didn't render correctly in all cases.

doc/docfx/default_efl/partials/class.header.tmpl.partial

@@ -5,8 +5,7 @@
 <div class="markdown level0 conceptual">{{{conceptual}}}</div>
 {{#inClass}}
 <div class="inheritance">
-  <h5><a href="#collapsible-inheritance" class="expander collapsed" data-toggle="collapse">{{__global.inheritance}}</a></h5>
-  <div id="collapsible-inheritance" class="collapse">
+  <h5>{{__global.inheritance}}</h5>
   {{#inheritance}}
   <div class="level{{index}}"><xref uid="{{uid}}" text="{{fullName.0.value}}"/></div>
   {{/inheritance}}
@@ -14,7 +13,6 @@
   {{#derivedClasses}}
     <div class="level{{index}}"><xref uid="{{uid}}" text="{{fullName.0.value}}"/></div>
   {{/derivedClasses}}
-  </div>
 </div>
 {{/inClass}}
 

doc/docfx/default_efl/partials/class.tmpl.partial

@@ -2,12 +2,7 @@
 
 {{>partials/class.header}}
 {{#children}}
-<h3 id="{{id}}">
-  <a href="#collapsible-{{id}}" class="expander collapsed" data-toggle="collapse">
-    {{>partials/classSubtitle}}
-  </a>
-</h3>
-<div id="collapsible-{{id}}" class="collapse">
+<h3 id="{{id}}">{{>partials/classSubtitle}}</h3>
 {{#children}}
 {{^_disableContribution}}
 {{#docurl}}
@@ -195,11 +190,9 @@
 </div>
 {{/seealso.0}}
 {{/children}}
-</div>
 {{/children}}
 {{#implements.0}}
-<h3><a href="#collapsible-implements" class="expander collapsed" data-toggle="collapse">{{__global.implements}}</a></h3>
-<div id="collapsible-implements" class="collapse">
+<h3 id="implements">{{__global.implements}}</h3>
 {{/implements.0}}
 {{#implements}}
 <div>
@@ -211,7 +204,6 @@
   {{/definition}}
 </div>
 {{/implements}}
-</div>
 {{#extensionMethods.0}}
 <h3 id="extensionmethods">{{__global.extensionMethods}}</h3>
 {{/extensionMethods.0}}