cleanup

threejs/lessons/ja/threejs-custom-buffergeometry.md

@@ -381,10 +381,6 @@ positionAttribute.needsUpdate = true;
 
 `BufferGeometry`を作って`BufferAttribute`をアップデートする方法を紹介しました。
 
-<!-- needed to prevent warning from outdated translations -->
-<a href="resources/threejs-geometry.svg"></a>
-<a href="threejs-custom-geometry.html"></a>
-
 <canvas id="c"></canvas>
 <script type="module" src="resources/threejs-custom-buffergeometry.js"></script>
 

threejs/lessons/threejs-custom-buffergeometry.md

@@ -442,7 +442,7 @@ I hope these were useful examples of how to use `BufferGeometry` directly to
 make your own geometry and how to dynamically update the contents of a
 `BufferAttribute`.
 
-<!-- needed to prevent warning from outdated translations -->
+<!-- needed in English only to prevent warning from outdated translations -->
 <a href="resources/threejs-geometry.svg"></a>
 <a href="threejs-custom-geometry.html"></a>
 

threejs/lessons/threejs-fundamentals.md

@@ -488,6 +488,6 @@ version of this site so going forward this site will only show es6 module style.
 to support legacy browsers look into a <a href="https://babeljs.io">transpiler</a>.</p>
 </div>
 
-<!-- needed for out of date translations -->
+<!-- needed in English only to prevent warning from outdated translations -->
 <a href="threejs-geometry.html"></a>
 <a href="Geometry"></a>