Remove http_public probe which is not generic

roles/prometheus/templates/blackbox.yml.j2

@@ -18,23 +18,6 @@ modules:
         key_file: /etc/credentials/x509/prometheus/client/private_key.pem
         insecure_skip_verify: false
 
-  # HTTP probe for the main public website.
-  http_public:
-    prober: http
-    timeout: 5s
-    http:
-      valid_status_codes: [200, 301, 302, 307]
-      method: GET
-      headers:
-        Host: "www.{{ domain_public[0] }}"
-      fail_if_ssl: false
-      fail_if_not_ssl: true
-      preferred_ip_protocol: ip4
-      tls_config:
-        server_name: "www.{{ domain_public[0] }}"
-        ca_file: /etc/ssl/certs/ca-certificates.crt
-        insecure_skip_verify: false
-
 {% for custom_probe in prometheus_custom_blackbox_probes.get('http', []) %}
   http_{{ custom_probe.name }}:
     prober: http