remove javascript error log trying to load hljs from non config pages

WebfrontCore/Views/Configuration/Files.cshtml

@@ -50,9 +50,15 @@
     {
         <!-- I don't want to include the entire highlight js into the bundle for this 1 page -->
         <script src="//cdnjs.cloudflare.com/ajax/libs/highlight.js/11.2.0/highlight.min.js"></script>
+        <script>
+            if (hljs !== undefined) {
+                hljs.highlightAll();
+            }
+        </script>
 
         <environment include="Development">
             <script type="text/javascript" src="~/js/configuration.js"></script>
         </environment>
     }
+
 </div>

WebfrontCore/wwwroot/js/configuration.js

@@ -74,7 +74,6 @@
         return false;
     });
     
-    hljs.highlightAll();
     $('.edit-file' ).on('keydown .editable', function(e){
         if(e.keyCode === 9) {
             document.execCommand ( 'styleWithCSS', true, null )