[compiler] Remove dead disabling of optimizations.

The AstNumberingVisitor is by now strictly running after we allocated
the SharedFunctionInfo. This removes some left-over code from before
that invariant was holding.

R=mvstanton@chromium.org

Review-Url: https://codereview.chromium.org/1965803002
Cr-Commit-Position: refs/heads/master@{#36928}

src/objects.cc

@@ -13223,13 +13223,7 @@ void SharedFunctionInfo::InitFromFunctionLiteral(
   shared_info->set_language_mode(lit->language_mode());
   shared_info->set_uses_arguments(lit->scope()->arguments() != NULL);
   shared_info->set_has_duplicate_parameters(lit->has_duplicate_parameters());
-  shared_info->set_ast_node_count(lit->ast_node_count());
   shared_info->set_is_function(lit->is_function());
-  if (lit->dont_optimize_reason() != kNoReason) {
-    shared_info->DisableOptimization(lit->dont_optimize_reason());
-  }
-  shared_info->set_dont_crankshaft(lit->flags() &
-                                   AstProperties::kDontCrankshaft);
   shared_info->set_never_compiled(true);
   shared_info->set_kind(lit->kind());
   if (!IsConstructable(lit->kind(), lit->language_mode())) {