remove FniiteDifferences from Project.toml

Author: mohamed82008

Project.toml

@@ -15,7 +15,6 @@ AdvancedHMC = "0.2.15"
 Bijectors = "0.4.0"
 Distributions = "0.21.11"
 DistributionsAD = "0.1.2"
-FiniteDifferences = "0.9"
 ForwardDiff = "0.10.3"
 Libtask = "0.3.1"
 LogDensityProblems = "^0.9, 0.10"