Remove Mooncake compat bound

Author: penelopeysm

test/Project.toml

@@ -60,7 +60,6 @@ LinearAlgebra = "1"
 LogDensityProblems = "2"
 LogDensityProblemsAD = "1.4"
 MCMCChains = "5, 6, 7"
-Mooncake = "0.4.95"
 NamedArrays = "0.9.4, 0.10"
 Optim = "1"
 Optimization = "3, 4"