Remove some unnecessary slashes

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

@@ -19,8 +19,8 @@
     /usr/bin/docker run
     --rm
     --name=matrix-certbot
-    --user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
-    --cap-drop=ALL \
+    --user={{ matrix_user_uid }}:{{ matrix_user_gid }}
+    --cap-drop=ALL
     -p 80:8080
     -v {{ matrix_ssl_config_dir_path }}:/etc/letsencrypt
     -v {{ matrix_ssl_log_dir_path }}:/var/log/letsencrypt
@@ -46,8 +46,8 @@
     /usr/bin/docker run
     --rm
     --name=matrix-certbot
-    --user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
-    --cap-drop=ALL \
+    --user={{ matrix_user_uid }}:{{ matrix_user_gid }}
+    --cap-drop=ALL
     -p 127.0.0.1:{{ matrix_ssl_lets_encrypt_certbot_standalone_http_port }}:8080
     --network={{ matrix_docker_network }}
     -v {{ matrix_ssl_config_dir_path }}:/etc/letsencrypt