Add headless service type label

Also remove the relation between restart and service create

script/test/fixtures/entrypoint-command/docker-compose.yml

@@ -5,3 +5,5 @@ services:
     image: busybox
     entrypoint: echo
     command: foo
+    labels:
+      kompose.service.type: headless

script/test/fixtures/entrypoint-command/output-k8s-template.json

@@ -14,6 +14,7 @@
         },
         "annotations": {
           "kompose.cmd": "%CMD%",
+          "kompose.service.type": "headless",
           "kompose.version": "%VERSION%"
         }
       },
@@ -45,6 +46,7 @@
         },
         "annotations": {
           "kompose.cmd": "%CMD%",
+          "kompose.service.type": "headless",
           "kompose.version": "%VERSION%"
         }
       },

script/test/fixtures/entrypoint-command/output-os-template.json

@@ -14,6 +14,7 @@
         },
         "annotations": {
           "kompose.cmd": "%CMD%",
+          "kompose.service.type": "headless",
           "kompose.version": "%VERSION%"
         }
       },
@@ -45,6 +46,7 @@
         },
         "annotations": {
           "kompose.cmd": "%CMD%",
+          "kompose.service.type": "headless",
           "kompose.version": "%VERSION%"
         }
       },