tests/integration_tests/test_cli.py remove superfluous --wallet.name …

…from test

By using patch() to mock bittensor.wallet, the mechanics of
bittensor.wallet are skipped, including adding the args for parser. They
have no effect and are not recognized, leading to an error.

tests/integration_tests/test_cli.py

@@ -2506,8 +2506,6 @@ def test_delegate(self, _):
                     "delegate",
                     "--subtensor.network",
                     "mock",  # Mock network
-                    "--wallet.name",
-                    "mock",
                     "--delegate_ss58key",
                     delegate_wallet.hotkey.ss58_address,
                     "--amount",