install: Deduplicate packages with %base-package sets.

* gnu/system.scm (%base-packages-interactive): Add nvi.
* gnu/system/install.scm (installation-os)[packages]: Remove parted,
gptfdisk, ddrescue, cryptsetup, mdadm, dosfstools, btrfs-progs,
f2fs-tools, jfstools, openssh, wireless-tools, iw,
wpa-supplicant-minimal, iproute, bash-completion, nvi. Add
%base-packages-disk-utilities.