CI: Drop libtinfo6 patching

- ArchLinux's libtinfo6 is updated now hence we don't need to do this hack.

Signed-off-by: Cyber Knight <cyberknight755@gmail.com>

.cirrus.yml

@@ -17,7 +17,6 @@ kernel_task:
       - curl -fsSL "https://pkgbuild.com/~morganamilo/pacman-static/x86_64/bin/pacman-static" -o pacman-static && chmod +x pacman-static && mv pacman-static /usr/bin/
       - pacman-static -Syu --needed --noconfirm github-cli kmod
       - gh auth login --with-token <<< "$GH_AUTH"
-      - wget http://archive.ubuntu.com/ubuntu/pool/main/n/ncurses/libtinfo6_6.2+20201114-2build1_amd64.deb -O libtinfo6.deb && dpkg-deb -R libtinfo6.deb libtinfo && cp libtinfo/lib/x86_64-linux-gnu/libtinfo.so.6.2 /usr/lib/libtinfo.so.6
       - sed -i '/E_ROOT/d' /usr/bin/makepkg
       - sed -i "s/PKGEXT='.pkg.tar.xz'/PKGEXT='.pkg.tar.zst'/" /etc/makepkg.conf
       - echo 'COMPRESSZST+=(--threads=0)' >> /etc/makepkg.conf