remove audio from youtube video

alpha-lab/imu-transformations/index.md

@@ -250,7 +250,7 @@ def cartesian_to_spherical_world(world_points_3d):
 
 Below, we present a video showing how some of the functions in this article were used to visualize different combinations of head and eye movements in world coordinates. The code for producing the visualization [can be found here](https://gist.github.com/rennis250/8a684ea1e2f92c79fa2104b7a0f30e20).
 
-<Youtube src="lbmyBgpS2OE"/>
+<Youtube src="hdZpnX9XDs0"/>
 
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