zijlijn concepten beter geplaatst

static/index.html

@@ -147,7 +147,7 @@
       <section id="cmap-view" class="hidden">
         <header class="cmap-page-header">
           <div class="cmap-storage-controls">
-            <span id="cmap-map-navigation" class="cmap-map-navigation hidden"><button id="cmap-map-back" type="button" aria-label="Back to parent map">←</button><strong id="cmap-active-map-title"></strong></span>
+            <span id="cmap-map-navigation" class="cmap-map-navigation hidden"><strong id="cmap-active-map-title"></strong></span>
             <div id="cmap-map-combobox" class="wiki-combobox">
               <input id="cmap-map-select" type="search" role="combobox"
                      aria-label="Concept map" data-tr-placeholder="select-concept-map"