Do not delete matrix-ssl-lets-encrypt-certificates-renew only to recreate it later

This seems to have been added to the list of "deprecated files to
remove" by mistake.

roles/matrix-nginx-proxy/tasks/ssl/setup_ssl_lets_encrypt.yml

@@ -11,7 +11,6 @@
     - "{{ matrix_cron_path }}/matrix-ssl-certificate-renewal"
     - "{{ matrix_cron_path }}/matrix-nginx-proxy-periodic-restarter"
     - "/etc/cron.d/matrix-ssl-lets-encrypt"
-    - "{{ matrix_local_bin_path }}/matrix-ssl-lets-encrypt-certificates-renew"
 
 #
 # Tasks related to setting up Let's Encrypt's management of certificates