Fix matrix-ldap-registration-proxy service stopping when uninstalling

roles/custom/matrix-ldap-registration-proxy/tasks/setup_uninstall.yml

@@ -9,7 +9,7 @@
   block:
     - name: Ensure matrix-matrix_ldap_registration_proxy is stopped
       ansible.builtin.service:
-        name: matrix-matrix_ldap_registration_proxy
+        name: matrix-ldap-registration-proxy
         state: stopped
         enabled: false
         daemon_reload: true