Remove duplicate jit conv2d test (#2581)

* fix typos in crates/burn-jit/src/tests/conv2d.rs

* rename fn name with prefix 2

* delete the duplicated latter test due to a review

crates/burn-jit/src/tests/conv2d.rs

@@ -125,25 +125,4 @@ mod tests {
         into_data_sync::<TestRuntime, Float>(output)
             .assert_approx_eq(&into_data_sync::<TestRuntime, Float>(output_ref), 4);
     }
-
-    #[test]
-    fn nchw_to_nhwc_should_match_into_contiguos() {
-        let test_device = Default::default();
-        let input =
-            Tensor::<TestBackend, 4>::random([4, 72, 53, 56], Distribution::Default, &test_device);
-
-        type Float = <TestBackend as Backend>::FloatElem;
-
-        let output = nchw_to_nhwc::<TestRuntime, Float>(input.clone().into_primitive().tensor());
-        let output_ref = into_contiguous(
-            input
-                .clone()
-                .permute([0, 2, 3, 1])
-                .into_primitive()
-                .tensor(),
-        );
-
-        into_data_sync::<TestRuntime, Float>(output)
-            .assert_approx_eq(&into_data_sync::<TestRuntime, Float>(output_ref), 1);
-    }
 }