remove LLVM dependency

Author: vchuravy

Project.toml

@@ -7,7 +7,6 @@ version = "0.3.3"
 Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"
 CUDA = "052768ef-5323-5732-b1bb-66c8b64840ba"
 Cassette = "7057c7e9-c182-5462-911a-8362d720325c"
-LLVM = "929cbde3-209d-540e-8aea-75f648917ca0"
 MacroTools = "1914dd2f-81c6-5fcd-8719-6d5c9610ff09"
 SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
 StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
@@ -16,7 +15,6 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 Adapt = "0.4, 1.0, 2.0"
 CUDA = "~1.0, ~1.1, ~1.2, 1.3"
 Cassette = "0.3.2"
-LLVM = "1.5, 3.0"
 MacroTools = "0.5"
 SpecialFunctions = "0.10"
 StaticArrays = "0.12"