I checked the files.  There are several icons with Hyperion in the name.  There are two planet improvements that use these icons, but the improvements have nothing to do with anything that seems to be Hyperion.  The only other place Hyperion appears is in the description for the Resilient trait.

I'm guessing Hyperion was removed from the game, but the description was not updated.

This is an interesting catch, I'll be sure to run it by the team. Thank you.

That'd be awesome, thanks!