Remove outdated examples of ArrowHelper

docs/api/en/helpers/ArrowHelper.html

@@ -33,8 +33,6 @@
 		<h2>Examples</h2>
 
 		<p>
-			[example:webgl_geometries WebGL / geometries]<br/>
-			[example:webgl_geometry_normals WebGL / geometry / normals]<br/>
 			[example:webgl_shadowmesh WebGL / shadowmesh]
 		</p>