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-template/runtime/src/lib.rs

@@ -181,7 +181,7 @@ impl frame_system::Trait for Runtime {
 	/// Converts a module to the index of the module in `construct_runtime!`.
 	///
 	/// This type is being generated by `construct_runtime!`.
-	type ModuleToIndex = ModuleToIndex;
+	type PalletInfo = PalletInfo;
 	/// What to do if a new account is created.
 	type OnNewAccount = ();
 	/// What to do if an account is fully reaped from the system.