Switch All construct_runtimes to New Syntax (#2979)

Clean up all the old syntax.

---------

Co-authored-by: command-bot <>
Co-authored-by: gupnik <nikhilgupta.iitk@gmail.com>
Co-authored-by: Nikhil Gupta <17176722+gupnik@users.noreply.github.com>
Co-authored-by: Maksym H <1177472+mordamax@users.noreply.github.com>

substrate/frame/transaction-payment/asset-tx-payment/src/mock.rs

@@ -37,7 +37,7 @@ type Balance = u64;
 type AccountId = u64;
 
 frame_support::construct_runtime!(
-	pub struct Runtime {
+	pub enum Runtime {
 		System: system,
 		Balances: pallet_balances,
 		TransactionPayment: pallet_transaction_payment,

substrate/frame/transaction-payment/skip-feeless-payment/src/mock.rs

@@ -84,7 +84,7 @@ pub mod pallet_dummy {
 impl pallet_dummy::Config for Runtime {}
 
 frame_support::construct_runtime!(
-	pub struct Runtime {
+	pub enum Runtime {
 		System: system,
 		SkipFeeless: pallet_skip_feeless_payment,
 		DummyPallet: pallet_dummy,

substrate/frame/transaction-payment/src/mock.rs

@@ -36,8 +36,8 @@ type Block = frame_system::mocking::MockBlock<Runtime>;
 frame_support::construct_runtime!(
 	pub struct Runtime
 	{
-		System: system::{Pallet, Call, Config<T>, Storage, Event<T>},
-		Balances: pallet_balances::{Pallet, Call, Storage, Config<T>, Event<T>},
+		System: system,
+		Balances: pallet_balances,
 		TransactionPayment: pallet_transaction_payment::{Pallet, Storage, Event<T>},
 	}
 );