Remove unused OfflineIndicator, OfflineSyncDetails, and OfflineSyncManager components

- Deleted obsolete offline-related components as they are no longer in use.
- Simplified imports and removed related context dependencies.
- Updated synchronization and toggle switch handling in `CharacterComponent`, `WorldSetting`, and `LocationComponent` to improve consistency.

app/login/LoginWrapper.tsx

@@ -57,7 +57,7 @@ export default function LoginWrapper({children}: { children: React.ReactNode })
         <SessionContext.Provider value={{session: session, setSession: setSession}}>
             <LangContext.Provider value={{lang: locale, setLang: setLocale}}>
                 <NextIntlClientProvider locale={locale} messages={messages}>
-                    <AlertContext.Provider value={{errorMessage: setErrorMessage, successMessage: setSuccessMessage}}>
+                    <AlertContext.Provider value={{errorMessage: setErrorMessage, successMessage: setSuccessMessage, infoMessage: setInfoMessage, warningMessage: setWarningMessage}}>
                         {children}
                         <div className="fixed top-4 right-4 z-[9999] flex flex-col gap-3">
                             {