Use Cthulhu's master branch

Author: serenity4

Manifest.toml

@@ -45,7 +45,6 @@ ModelingToolkit = "961ee093-0014-501f-94e3-6117800e7a78"
 
 [sources]
 Compiler = {rev = "master", url = "https://github.com/JuliaLang/BaseCompiler.jl.git"}
-Cthulhu = {rev = "split-compiler-integration", url = "https://github.com/serenity4/Cthulhu.jl"}
 DifferentiationInterface = {rev = "main", subdir = "DifferentiationInterface", url = "https://github.com/Keno/DifferentiationInterface.jl"}
 Diffractor = {rev = "cthulhu", url = "https://github.com/JuliaDiff/Diffractor.jl.git"}
 SimpleNonlinearSolve = {rev = "master", subdir = "lib/SimpleNonlinearSolve", url = "https://github.com/SciML/NonlinearSolve.jl.git"}