RecruitingDevice studyStudy of the Shockwave Medical SkyRunner Carotid Intravascular Lithotripsy (IVL) System for the Treatment of Calcified Carotid Arteries Prior to Trans-Carotid Stenting (SKYWARD Trans-Carotid IDE [Investigational Device Exemption] Study)Prospective, Multi-center, Single-arm Study of the Shockwave Medical SkyRunner Carotid Intravascular Lithotripsy (IVL) System for the Treatment of Calcified Carotid Arteries prior to Trans-Carotid Stenting (SKYWARD Trans-Carotid IDE Study)