Update extract.lean

extract.lean

@@ -63,10 +63,7 @@ def main : IO Unit := do
   IO.eprintln "\n\n"
   IO.eprintln "importing modules"
   searchPathRef.set compile_time_search_path%
-  CoreM.withImportModules #[`Mathlib] (options := {entries := [
-    -- (`maxHeartbeats, .ofNat 0),
-    (`smartUnfolding, .ofBool false),
-  ]}) do
+  CoreM.withImportModules #[`Mathlib] do
     IO.eprintln s!"simplification timeout: {← getMaxHeartbeats}"
     let env ← getEnv