Remove dummy gitea d53 job, as the IP are now fully static

cluster/prod/app/core/deploy/d53.hcl

@@ -61,42 +61,4 @@ EOH
       }
     }
   }
-
-  # Dummy task for Gitea (still on an external VM), runs on any bespin node
-  # and allows D53 to automatically update the A record for git.deuxfleurs.fr
-  # to the IPv4 address of the bespin site (that changes occasionnaly)
-  group "gitea-dummy" {
-    count = 1
-
-    network {
-      port "dummy" {
-        to = 999
-      }
-    }
-
-    task "main" {
-      driver = "docker"
-
-      constraint {
-        attribute = "${meta.site}"
-        operator = "="
-        value = "bespin"
-      }
-
-      config {
-        image = "alpine"
-        command = "sh"
-        args = ["-c", "while true; do echo x; sleep 60; done"]
-        ports = [ "dummy" ]
-      }
-
-      service {
-        name = "gitea-dummy"
-        port = "dummy"
-        tags = [
-          "d53-a git.deuxfleurs.fr",
-        ]
-      }
-    }
-  }
 }