Updating TC_TSTAT_4_2 test module:

- Resolving linting errors

Author: j-ororke

src/python_testing/TC_TSTAT_4_2.py

@@ -255,8 +255,6 @@ def steps_TC_TSTAT_4_2(self) -> list[TestStep]:
 
     @ async_test_body
     async def test_TC_TSTAT_4_2(self):
-        # super().setup_class()
-
         endpoint = self.get_endpoint()
 
         self.step("1")
@@ -270,8 +268,6 @@ async def test_TC_TSTAT_4_2(self):
         secondary_fabric_admin = secondary_authority.NewFabricAdmin(vendorId=0xFFF1, fabricId=2)
         secondary_controller = secondary_fabric_admin.NewController(nodeId=112233)
 
-        accepted_cmd_list = await self.read_tstat_attribute_expect_success(attribute=cluster.Attributes.AcceptedCommandList)
-
         await secondary_controller.CommissionOnNetwork(
             nodeId=self.dut_node_id, setupPinCode=params.setupPinCode,
             filterType=ChipDeviceCtrl.DiscoveryFilterType.LONG_DISCRIMINATOR, filter=1234)