[aur-general] merge grub2-ubuntu into grub2-bios-ubuntu

Hi, As thesubjectsays merge grub2-ubuntu https://aur.archlinux.org/packages.php?ID=52334 into grub2-bios-ubuntu https://aur.archlinux.org/packages.php?ID=52336 and delete the first one. TIA. Regards. Keshav