Remove animation example link

docs/modules/core/nav.adoc

@@ -23,7 +23,7 @@
 ** xref:scene/control/level_of_detail.adoc[Level of Detail]
 * Animation, Scene
 ** xref:animation/animation.adoc[Animation-Old]
-** xref:anim/animation.adoc[Animation-New]
+// ** xref:anim/animation.adoc[Animation-New]
 ** xref:cinematic/cinematics.adoc[Cinematics (cutscenes, fake destruction physics)]
 ** xref:cinematic/motionpath.adoc[MotionPaths and Waypoints]
 * Material, Light, Shadow