Remove routine GV1 migration checks.

We will now only migrate GV1 groups upon opening them.

app/src/main/java/org/thoughtcrime/securesms/ApplicationContext.java

@@ -213,7 +213,6 @@ public class ApplicationContext extends MultiDexApplication implements AppForegr
       FeatureFlags.refreshIfNecessary();
       ApplicationDependencies.getRecipientCache().warmUp();
       RetrieveProfileJob.enqueueRoutineFetchIfNecessary(this);
-      GroupV1MigrationJob.enqueueRoutineMigrationsIfNecessary(this);
       executePendingContactSync();
       KeyCachingService.onAppForegrounded(this);
       ApplicationDependencies.getShakeToReport().enable();