Delete direct dep on CRTU

Author: oxinabox

Project.toml

@@ -5,7 +5,6 @@ version = "1.55.0"
 [deps]
 Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"
 ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
-ChainRulesTestUtils = "cdddcdb0-9152-4a09-a978-84456f9df70a"
 Compat = "34da2185-b29b-5c13-b0c7-acf172513d20"
 Distributed = "8ba89e20-285c-5b6f-9357-94700520ee1b"
 GPUArraysCore = "46192b85-c4d5-4398-a991-12ede77f4527"