chore : removve graph save

unit_tests/scheduler/Test_Scheduler.cpp

@@ -64,7 +64,7 @@ TEST_CASE("randomScheduling", "[Scheduler][randomGen]") {
           g1->add(prod);
         }
 
-        g1->save("schedule");
+        // g1->save("schedule");
         g1->forwardDims();
 
         fmt::print("gen scheduling...\n");