deleted ubuntu partition, restoring uefi

Hello all. I am running Windows 8.1 on my Acer Aspire V5-571PG. Well, Windows 8.1 may be a stretch. Months ago, I decided to switch to a dual-boot configuration of Windows 8.1 and ubuntu. To accomplish this, I switched my bootloader from UEFI to GRUB. I decided ubuntu was not for me, and rather than looking up uninstallation techniques, I simply removed the ubuntu partition and used a...