If you can still download it, it isn't deleted. Does it still work with your friend who told you that?
I think the issue is that it doesn't work with you. Then contact their support at https://gbmoddownload.com/contact-us/
gbwhatsapp not working on my phone, recently i download gbwhatsapp from this site and after downloading its not working on my phone, and just my friend told me gbwhatsapp is deleted by its developers and now no one can download and use gbwhatsapp,
but i want to use this mod of whatsapp because i love this app, its very nice app.. here someone know how can i use this app , or please tell me any way to download this app , and also please tell me if you know another app like it i want to download .......... thanks in advance ,,,