chore: temporarily disable eager lambda lifting

We need a better heuristic for deciding which functions in instances
should be eagerly lambda lifted. Otherwise, it will have to keep
chasing which instances we have to annotate with `[inline]`.

src/Lean/Compiler/LCNF/Passes.lean

@@ -50,7 +50,7 @@ def builtinPassManager : PassManager := {
     pullFunDecls,
     reduceJpArity,
     simp { etaPoly := true, inlinePartial := true, implementedBy := true } (occurrence := 1),
-    eagerLambdaLifting,
+    -- eagerLambdaLifting,
     specialize,
     simp (occurrence := 2),
     cse,