Fixes #3146 - Remove the account migration screen

ElementX/Sources/Application/AppCoordinator.swift

@@ -356,20 +356,6 @@ class AppCoordinator: AppCoordinatorProtocol, AuthenticationFlowCoordinatorDeleg
         
         MXLog.info("The app was upgraded from \(oldVersion) to \(newVersion)")
         
-        if oldVersion < Version(1, 1, 0) {
-            MXLog.info("Migrating to v1.1.0, signing out the user.")
-            // Version 1.1.0 switched the Rust crypto store to SQLite
-            // There are no migrations in place so we need to sign the user out
-            wipeUserData()
-        }
-        
-        if oldVersion < Version(1, 1, 7) {
-            MXLog.info("Migrating to v1.1.7, marking accounts as migrated.")
-            for userID in userSessionStore.userIDs {
-                appSettings.migratedAccounts[userID] = true
-            }
-        }
-        
         if oldVersion < Version(1, 6, 0) {
             MXLog.info("Migrating to v1.6.0, marking identity confirmation onboarding as ran.")
             if !userSessionStore.userIDs.isEmpty {

ElementX/Sources/Application/AppSettings.swift

@@ -14,7 +14,6 @@ final class AppSettings {
         case lastVersionLaunched
         case appLockNumberOfPINAttempts
         case appLockNumberOfBiometricAttempts
-        case migratedAccounts
         case timelineStyle
         
         case analyticsConsentState
@@ -159,14 +158,7 @@ final class AppSettings {
                                                                      contacts: [supportEmailAddress],
                                                                      staticRegistrations: oidcStaticRegistrations.mapKeys { $0.absoluteString },
                                                                      dynamicRegistrationsFile: .sessionsBaseDirectory.appending(path: "oidc/registrations.json"))
-
-    /// A dictionary of accounts that have performed an initial sync through their proxy.
-    ///
-    /// This is a temporary workaround. In the future we should be able to receive a signal from the
-    /// proxy that it is the first sync (or that an upgrade on the backend will involve a slower sync).
-    @UserPreference(key: UserDefaultsKeys.migratedAccounts, defaultValue: [:], storageType: .userDefaults(store))
-    var migratedAccounts: [String: Bool]
-
+    
     // MARK: - Notifications
     
     var pusherAppId: String {