Revert "Add Enzyme v0.12 to compat (#193)" (#195)

This reverts commit d391acf.

Author: gdalle

DifferentiationInterface/Project.toml

@@ -46,7 +46,7 @@ ADTypes = "0.2.7"
 ChainRulesCore = "1.23.0"
 Diffractor = "=0.2.6"
 DocStringExtensions = "0.9.3"
-Enzyme = "0.11.20,0.12"
+Enzyme = "0.11.20"
 FastDifferentiation = "0.3.9"
 FillArrays = "1.9.3"
 FiniteDiff = "2.23.1"