Removed initGrad

unit_tests/scheduler/Test_Scheduler.cpp

@@ -416,7 +416,7 @@ TEST_CASE("[cpu/scheduler] SequentialScheduler(backward)", "[scheduler][backward
     auto myProd = Producer(inputTensor, "prod");
     myProd -> addChild(gv);
     gv -> compile("cpu", DataType::Float32);
-    compile_gradient(gv);
+
     SequentialScheduler scheduler(gv);
     scheduler.forward();
     auto outNode = gv->getOrderedOutputs()[0].first;
@@ -432,7 +432,6 @@ TEST_CASE("[cpu/scheduler] SequentialScheduler(backward)", "[scheduler][backward
                                                                  {6.0f, 6.0f, 6.0f, 6.0f, 6.0f},
                                                                  {6.0f, 6.0f, 6.0f, 7.0f, 7.0f},
                                                                  {7.0f, 7.0f, 7.0f, 7.0f, 7.0f}}}}});
-    predictedOutput->initGrad();
     predictedOutput->setGrad(targetOutput);
     REQUIRE_NOTHROW(scheduler.backward());
 }