It to do with sinfuliphone repo...
To remove it, you need to remove it manually by using Winscp or DiskAid or cyberduck.
Fiistly Go to root of the iphone then navigate to
/etc/apt/sources.list.d/cydia.list (download it then use text editor to open it up)
Delete this line "deb
http://www.sinfuliphonerepo.com/apt/ ./"
(Note: this step u can use ifile to edit the file too)
Secondly nagavite to (using Winscp/diskaid or cyberduck for mac)
"/var/lib/apt/lists/" You will see alot of the apt.REPO.com
look for this
www.sinfuliphonerepo.com_._Packages and delete it..
Reboot ur iphone and startup ur cydia it should works