This latest rumor comes from Rely on Horror, who has extensively covered RE2 Remake’s development and information up to release. According to their sources, a Silent Hill reboot and Silent Hills revival are being worked on by Sony (licensed through Konami). The reboot is supposedly being helmed by former Team Silent and Project Siren members, which is very promising if true.
Once again, its important to take rumors like this with a big grain of salt. Stay tuned at Final Weapon for the latest Japanese gaming news and rumors!