remove unused pulp_api_ports and pulp_content_ports variables

these variables are no longer used in the playbook due to the host network
configuration, which eliminates the need for explicit port mappings.

roles/pulp/defaults/main.yaml

@@ -4,10 +4,6 @@ pulp_api_image: "{{ pulp_image }}"
 pulp_content_image: "{{ pulp_image }}"
 pulp_worker_image: "{{ pulp_image }}"
 
-pulp_api_ports:
-  - "24817:80"
-pulp_content_ports:
-  - "24816:80"
 pulp_worker_count: 2
 
 pulp_volumes: