Deprecate matrix_docker_network

roles/custom/matrix-base/tasks/setup_matrix_base.yml

@@ -11,11 +11,6 @@
     - "{{ matrix_base_data_path }}"
     - "{{ matrix_bin_path }}"
 
-- name: Ensure Matrix network is created in Docker
-  community.docker.docker_network:
-    name: "{{ matrix_docker_network }}"
-    driver: bridge
-
 - name: Ensure remove-all script created
   ansible.builtin.template:
     src: "{{ role_path }}/templates/bin/remove-all.j2"