Revert "Consistent linking, less confusing, partial revert of 0e82abef."

This reverts commit 8a2835a13e.

src/js/scripts.js

@@ -44,6 +44,17 @@ document.addEventListener('DOMContentLoaded', () =>
   // Update nav links and add anchor links to section headers.
   sectionsWithId.forEach(anchorTarget =>
   {
+    // Navigate within current page if a section for the anchor exists.
+    navLinks.forEach(navLink =>
+    {
+      const href = navLink.getAttribute('href');
+
+      if (href.startsWith('/#') && href.substring(2) === anchorTarget.id)
+      {
+        navLink.setAttribute('href', href.substring(1));
+      }
+    });
+
     /**
      * @type {HTMLHeadingElement|null}
      */