Fix #6380: crash due to login prompt string format having extra place…

…holder. (#6412)

Client/Frontend/Strings.swift

@@ -215,7 +215,7 @@ extension Strings {
     public static let SaveLoginUsernamePrompt = NSLocalizedString("LoginsHelper.PromptSaveLogin.Title", value: "Save login %@ for %@?", comment: "Prompt for saving a login. The first parameter is the username being saved. The second parameter is the hostname of the site.")
     public static let SaveLoginPrompt = NSLocalizedString("LoginsHelper.PromptSavePassword.Title", value: "Save password for %@?", comment: "Prompt for saving a password with no username. The parameter is the hostname of the site.")
     public static let UpdateLoginUsernamePrompt = NSLocalizedString("LoginsHelper.PromptUpdateLogin.Title", value: "Update login %@ for %@?", comment: "Prompt for updating a login. The first parameter is the username for which the password will be updated for. The second parameter is the hostname of the site.")
-    public static let UpdateLoginPrompt = NSLocalizedString("LoginsHelper.PromptUpdateLogin.Title", value: "Update login %@ for %@?", comment: "Prompt for updating a login. The first parameter is the username for which the password will be updated for. The second parameter is the hostname of the site.")
+    public static let UpdateLoginPrompt = NSLocalizedString("LoginsHelper.PromptUpdateLogin.Title", value: "Update login for %@?", comment: "Prompt for updating a login. The first parameter is the hostname for which the password will be updated for.")
 
     // Setting
     public static let SettingToSaveLogins = NSLocalizedString("Settings.SaveLogins.Title", value: "Save Logins", comment: "Setting to enable the built-in password manager")