enzyme/autodiff is compatible with download-ci=true

Author: ZuseZ4

src/bootstrap/src/core/config/toml/llvm.rs

@@ -117,7 +117,7 @@ pub fn check_incompatible_options_for_ci_llvm(
         enable_warnings,
         download_ci_llvm: _,
         build_config,
-        enzyme,
+        enzyme: _,
     } = ci_llvm_config;
 
     err!(current_llvm_config.optimize, optimize);
@@ -139,7 +139,6 @@ pub fn check_incompatible_options_for_ci_llvm(
     err!(current_llvm_config.clang, clang);
     err!(current_llvm_config.build_config, build_config);
     err!(current_llvm_config.plugins, plugins);
-    err!(current_llvm_config.enzyme, enzyme);
 
     warn!(current_llvm_config.enable_warnings, enable_warnings);