fix(mdl/jit): make opt level same with lite

GitOrigin-RevId: 5b3ee34170002160e73b021e5d4b96a84a5a3ebb

lite/load_and_run/src/models/model_mdl.cpp

@@ -9,7 +9,6 @@ using namespace lar;
 ModelMdl::ModelMdl(const std::string& path) : model_path(path) {
     mgb_log("creat mdl model use XPU as default comp node");
     m_load_config.comp_graph = mgb::ComputingGraph::make();
-    m_load_config.comp_graph->options().graph_opt_level = 0;
     testcase_num = 0;
 }
 
@@ -216,4 +215,4 @@ void ModelMdl::update_io() {
         auto output_vars = mgb::cg::replace_vars(network.output_var_list, varmap);
         network.output_var_list = output_vars;
     }
-}
\ No newline at end of file
+}