Fix(judgehost): change extract destination

roles/configure_judgehost_legacy/tasks/domjudge.yml

@@ -9,5 +9,5 @@
 - name: Extract domjudge tarball
   ansible.builtin.unarchive:
     src: "{{ downloaded_tarball.dest }}"
-    dest: "{{ (downloaded_tarball.dest | basename).split('.') | first }}"
+    dest: "{{ domjudge_base_dir }}"
     remote_src: true