migrate alliance, fast-unstake and bags list to use derive-impl (#1636)

Moving a few pallets to the latest and greatest `derive_impl` to give it
a try.

Part of #171

---------

Co-authored-by: Adrian Catangiu <adrian@parity.io>
Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>

xcm-builder/src/tests/pay/mock.rs

@@ -49,22 +49,12 @@ construct_runtime!(
 	}
 );
 
-parameter_types! {
-	pub const BlockHashCount: BlockNumber = 250;
-}
-
 #[derive_impl(frame_system::config_preludes::TestDefaultConfig as frame_system::DefaultConfig)]
 impl frame_system::Config for Test {
 	type Block = Block;
-	type BlockHashCount = BlockHashCount;
-	type BaseCallFilter = frame_support::traits::Everything;
-	type RuntimeOrigin = RuntimeOrigin;
-	type RuntimeCall = RuntimeCall;
-	type RuntimeEvent = RuntimeEvent;
-	type PalletInfo = PalletInfo;
-	type OnSetCode = ();
 	type AccountData = pallet_balances::AccountData<Balance>;
 	type AccountId = AccountId;
+	type BlockHashCount = ConstU32<256>;
 	type Lookup = sp_runtime::traits::IdentityLookup<AccountId>;
 }