Rename ModuleToIndex to PalletRuntimeSetup (#7148)

* Rename `ModuleToIndex` to `PalletRuntimeSetup`

Besides the renaming it also adds support getting the name of a pallet
as configured in the runtime.

* Rename it to `PalletInfo`

* Remove accidentally added files

substrate/bin/node/runtime/src/lib.rs

@@ -179,7 +179,7 @@ impl frame_system::Trait for Runtime {
 	type MaximumBlockLength = MaximumBlockLength;
 	type AvailableBlockRatio = AvailableBlockRatio;
 	type Version = Version;
-	type ModuleToIndex = ModuleToIndex;
+	type PalletInfo = PalletInfo;
 	type AccountData = pallet_balances::AccountData<Balance>;
 	type OnNewAccount = ();
 	type OnKilledAccount = ();