Remove @skipIfTorchDynamo from test_extremal_numerics_l1_loss_cpu test (pytorch#139318)

Pull Request resolved: pytorch#139318
Approved by: https://github.com/zou3519, https://github.com/williamwen42

Author: guilhermeleobas

test/dynamo_skips/TestOperatorsCPU.test_extremal_numerics_l1_loss_cpu

@@ -52,7 +52,6 @@
     run_tests,
     runOnRocm,
     skipIfRocm,
-    skipIfTorchDynamo,
     TEST_WITH_ASAN,
     TEST_WITH_ROCM,
     TestCase,
@@ -2168,7 +2167,6 @@ def test_extremal_numerics_nll_loss(self, device):
                 cotangents = torch.randn_like(result, device=device)
                 self._compare_jacobians_of_vjp(fn, (cotangents, input))
 
-    @skipIfTorchDynamo("segfaults")
     def test_extremal_numerics_l1_loss(self, device):
         N, C, H, W = 3, 4, 5, 6
         shapes = ((N, C), (N, C, H), (N, C, H, W))