ci: fix check-unused-variables (2)

Signed-off-by: juju4 <[email protected]>

Author: juju4

roles/dns_exporter/vars/main.yml

@@ -1,8 +1,3 @@
 ---
-_dns_exporter_go_ansible_arch: "{{ {'i386': '386',
-                                 'x86_64': 'amd64',
-                                 'aarch64': 'arm64',
-                                 'armv7l': 'armv7',
-                                 'armv6l': 'armv6'}.get(ansible_architecture, ansible_architecture) }}"
 _dns_exporter_repo: "tykling/dns_exporter"
 _github_api_headers: "{{ {'GITHUB_TOKEN': lookup('ansible.builtin.env', 'GITHUB_TOKEN')} if (lookup('ansible.builtin.env', 'GITHUB_TOKEN')) else {} }}"