Remove redundant console logs and comments across components

- Cleaned up unused debug logs and comments in `AddNewBookForm`, `QuillConversation`, `OfflinePinSetup`, `OfflinePinVerify`, `ShortStoryGenerator`, and `page.tsx`.
- Improved overall code readability and maintainability.

components/offline/OfflinePinVerify.tsx

@@ -33,7 +33,6 @@ export default function OfflinePinVerify({ onSuccess, onCancel }: OfflinePinVeri
         const result = await window.electron.offlinePinVerify(pin);
 
         if (result.success && result.userId) {
-          console.log('[OfflinePin] PIN verified, accessing offline mode');
           onSuccess(result.userId);
         } else {
           setAttempts(prev => prev + 1);
@@ -47,7 +46,6 @@ export default function OfflinePinVerify({ onSuccess, onCancel }: OfflinePinVeri
         }
       }
     } catch (error) {
-      console.error('[OfflinePin] Error verifying PIN:', error);
       setError(t('offline.pin.verify.error'));
     } finally {
       setIsLoading(false);