Revert unrelated InstanceFilter change in mock

The proxy chain extensions use verify_proxy which reads Proxies storage
directly — it does not use InstanceFilter::filter(). Revert the
transfer_stake/set_coldkey_auto_stake_hotkey filter reorganization as
it is not part of proxy dispatch work.

Author: LandynDev

chain-extensions/src/mock.rs

@@ -156,13 +156,7 @@ impl frame_support::traits::InstanceFilter<RuntimeCall> for subtensor_runtime_co
                     | RuntimeCall::SubtensorModule(pallet_subtensor::Call::swap_stake { .. })
                     | RuntimeCall::SubtensorModule(pallet_subtensor::Call::swap_stake_limit { .. })
                     | RuntimeCall::SubtensorModule(pallet_subtensor::Call::move_stake { .. })
-                    | RuntimeCall::SubtensorModule(
-                        pallet_subtensor::Call::set_coldkey_auto_stake_hotkey { .. }
-                    )
-            ),
-            subtensor_runtime_common::ProxyType::Transfer => matches!(
-                c,
-                RuntimeCall::SubtensorModule(pallet_subtensor::Call::transfer_stake { .. })
+                    | RuntimeCall::SubtensorModule(pallet_subtensor::Call::transfer_stake { .. })
             ),
             _ => false,
         }