Bug 34202: Remove unused xz project

projects/xz/build

-#!/bin/bash
-[% c("var/set_default_env") -%]
-[% pc(c('var/compiler'), 'var/setup', { compiler_tarfile => c('input_files_by_name/' _ c('var/compiler')) }) %]
-distdir=/var/tmp/dist/[% project %]
-mkdir -p $distdir
-mkdir -p /var/tmp/build
-tar -C /var/tmp/build -xf [% project %]-[% c('version') %].tar.gz
-cd /var/tmp/build/[% project %]-[% c('version') %]
-./autogen.sh
-./configure [% c("var/configure_opt") %] --prefix=$distdir
-make -j[% c("buildconf/num_procs") %] install
-cd /var/tmp/dist
-[% c('tar', {
-        tar_src => [ project ],
-        tar_args => '-czf ' _ dest_dir _ '/' _ c('filename'),
-    }) %]

projects/xz/config

-# vim: filetype=yaml sw=2
-version: 5.2.4
-git_url: https://git.tukaani.org/xz.git
-git_hash: 'v[% c("version") %]'
-tag_gpg_id: 1
-gpg_keyring: xz.gpg
-filename: '[% project %]-[% c("version") %]-[% c("var/osname") %]-[% c("var/build_id") %].tar.gz'
-
-var:
-  container:
-    use_container: 1
-
-targets:
-  android:
-    var:
-      arch_deps:
-        - autopoint
-      configure_opt_project: --disable-shared --disable-xz --disable-xzdec --disable-lzmadec --disable-lzmainfo --disable-lzma-links --disable-scripts --disable-doc
-
-input_files:
-  - project: container-image
-  - name: '[% c("var/compiler") %]'
-    project: '[% c("var/compiler") %]'