remove useless requierement

molecule/default/requirements.yml

@@ -17,6 +17,3 @@ roles:
   - name: air.mariadb
     src: https://git.laquadrature.net/sympathisant-es/archlinux-install-on-remote/air-ansible/air.mariadb.git
     scm: git
-  - name: air.redis
-    src: https://git.laquadrature.net/sympathisant-es/archlinux-install-on-remote/air-ansible/air.redis.git
-    scm: git