"Deflating" an implant is not a recommended procedure and yes, it is dangerous for you to poke it with a needle (and this leaves a folded, deflated implant, which feels unnatural). You might get an infection.
If you don't want implants, have them both removed surgically in a proper facility by a plastic surgeon. Almost all patients prefer to have them replaced rather than just removed. If you have them removed, your breasts will look deflated. Once you have implants, you cannot really "go back."
Your best option is to have them replaced. Use saline implants if you have anxiety about implants because there is no question about their safety. The best remedy for anxiety is information. Your worries may not be justified.
You should be able to find a surgeon to replace your implants for about $4300, including anesthesia and the facility (at least that's what I charge) and less if you are still under warranty. Yes, that is a financial burden. You may want to finance it, but in the long run, this is the best option.