Fix looking up docker package error with Renovate

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

roles/custom/matrix-conduwuit/defaults/main.yml

@@ -13,7 +13,6 @@ matrix_conduwuit_enabled: true
 matrix_conduwuit_hostname: ''
 
 matrix_conduwuit_docker_image: "{{ matrix_conduwuit_docker_image_registry_prefix }}girlbossceo/conduwuit:{{ matrix_conduwuit_docker_image_tag }}"
-# renovate: datasource=docker depName=ghcr.io/girlbossceo/conduwuit
 matrix_conduwuit_docker_image_tag: v0.4.6-8f7ade4c22533a3177bfd8f175e178573ba6c1d4
 matrix_conduwuit_docker_image_force_pull: "{{ matrix_conduwuit_docker_image.endswith(':latest') }}"
 matrix_conduwuit_docker_image_registry_prefix: "{{ matrix_conduwuit_docker_image_registry_prefix_upstream }}"