[runtime] remove obsolete migrations that are already applied (#8)

runtime/ajuna/src/lib.rs

@@ -145,18 +145,7 @@ pub type Executive = frame_executive::Executive<
 	Migrations,
 >;
 
-// Note: if try-runtime pre/post checks are enabled it will error when it tries to decode the
-// entire chain state. However, this is to be expected and can be ignored:
-// https://substrate.stackexchange.com/questions/10986/runtime-upgrade-for-parachainsystemhostconfiguration
-type Migrations = (
-	// Track inactive funds of the teleporter account, currently we don't use that, but it doesn't
-	// hurt either.
-	pallet_balances::migration::MigrateToTrackInactive<Runtime, xcm_config::CheckingAccount>,
-	// Simple migration ordering the set of invulnerables.
-	pallet_collator_selection::migration::v1::MigrateToV1<Runtime>,
-	// Simple migration of the queue config data.
-	cumulus_pallet_xcmp_queue::migration::v4::MigrationToV4<Runtime>,
-);
+type Migrations = ();
 
 //type Migrations = (pallet_ajuna_awesome_avatars::migration::v6::MigrateToV6<Runtime>,);