remove accordion from customizer; shorten min height for affix

assets/css/docs.css

@@ -860,7 +860,7 @@ body {
   }
 }
 
-@media screen and (min-width: 992px) and (min-height: 800px) {
+@media screen and (min-width: 992px) and (min-height: 700px) {
   /* Show the hidden subnavs when space allows it */
   .bs-sidebar .nav > .active > ul {
     display: block;

customize.html

@@ -151,12 +151,6 @@ base_url: "../"
             Jumbotron
           </label>
         </div>
-        <div class="checkbox">
-          <label>
-            <input type="checkbox" checked value="accordion.less">
-            Accordion
-          </label>
-        </div>
         <div class="checkbox">
           <label>
             <input type="checkbox" checked value="panels.less">