Update schema (#2562)

Author: ssbarnea

src/ansiblelint/schemas/ansible-navigator-config.json

@@ -304,7 +304,6 @@
                             "type": "object"
                         },
                         "image": {
-                            "default": "quay.io/ansible/creator-ee:v0.9.1",
                             "description": "Specify the name of the execution environment image",
                             "type": "string"
                         },