Remove old meta package

I personally find it frightening that I was previously using PKGBUILDs
in Arch Linux for something that could have been so elegantly achieved
with Nix and NixOS.

.archlinux/PKGBUILDs/tari-core/PKGBUILD

@@ -1,134 +0,0 @@
-pkgname=tari-core
-pkgver=0.9.4
-pkgrel=1
-pkgdesc="My Arch Linux setup"
-arch=('any')
-depends=(
-  stow
-  python-pywal
-  rng-tools
-  fd
-  exa
-  ripgrep
-  fzf
-  jq
-  zip
-  unzip
-  p7zip
-  unrar
-  borg
-  openssh
-  openvpn
-  mpd
-  mpc
-  ncmpcpp
-  shotgun
-  htop
-  neofetch
-  fdupes
-  youtube-dl
-  ranger
-  ncdu
-  cmatrix
-  imagemagick
-  siege
-  ponysay
-  lolcat
-  figlet
-  calcurse
-  whois
-  vim
-  neovim
-  httpie
-  rsync
-  git
-  tig
-  diff-so-fancy
-  tmux
-  nodejs
-  npm
-  yarn
-  crystal
-  shards
-  llvm
-  rustup
-  ansible
-  docker
-  docker-compose
-  bind-tools
-  pacman-contrib
-  nginx-mainline
-  jdk-openjdk
-  texlive-core
-  texlive-science
-  texlive-humanities
-  texlive-fontsextra
-  texlive-latexextra
-  texlive-bibtexextra
-  minted
-  ttf-dejavu
-  ttf-liberation
-  noto-fonts
-  noto-fonts-cjk
-  noto-fonts-emoji
-  ttf-hack
-  ttf-fira-mono
-  ttf-font-awesome
-  arc-solid-gtk-theme
-  papirus-icon-theme
-  xorg-xmodmap
-  xorg-xwininfo
-  xorg-xrandr
-  xorg-xinit
-  xorg-xev
-  xdo
-  xcape
-  xdg-user-dirs
-  alsa-utils
-  mpv
-  feh
-  rofi
-  kitty
-  zathura
-  zathura-djvu
-  zathura-pdf-mupdf
-  code
-  bspwm
-  sxhkd
-  obs-studio
-  texstudio
-  virtualbox
-  virtualbox-host-modules-arch
-  kimageformats
-  ffmpegthumbs
-  kdegraphics-thumbnailers
-  gnome-shell
-  gnome-shell-extensions
-  gnome-backgrounds
-  gnome-control-center
-  file-roller
-  nautilus
-  celluloid
-  l3afpad
-  gthumb
-  lollypop
-  libreoffice-fresh
-  gnome-clocks
-  gnome-maps
-  gnome-screenshot
-  firefox
-  chromium
-  xclip
-  xdotool
-  audacity
-  firefox-i18n-fr
-  firefox-i18n-ja
-  gimp
-  namcap
-  ttf-ibm-plex
-  qutebrowser
-  xorg-xprop
-  xorg-xsetroot
-  breeze
-  plasma-integration
-)