tests: vmstate static checker: remove a subsection

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>

tests/vmstate-static-checker-data/dump2.json

diff --git a/tests/vmstate-static-checker-data/dump2.json b/tests/vmstate-static-checker-data/dump2.json
index 05b8fce..6f8a617 100644
--- a/tests/vmstate-static-checker-data/dump2.json
+++ b/tests/vmstate-static-checker-data/dump2.json
@@ -836,19 +836,6 @@
                           "size": 1
                         }
                       ]
-                    },
-                    {
-                      "name": "fdrive/media_rate",
-                      "version_id": 1,
-                      "minimum_version_id": 1,
-                      "Fields": [
-                        {
-                          "field": "media_rate",
-                          "version_id": 0,
-                          "field_exists": false,
-                          "size": 1
-                        }
-                      ]
                     }
                   ]
                 }