Remove stray breadsindexpage

This model was created accidentally, and leads to a messy page tree

bakerydemo/base/fixtures/bakerydemo.json

@@ -3382,14 +3382,6 @@
     "ingredients": []
   }
 },
-{
-  "model": "breads.breadsindexpage",
-  "pk": 3,
-  "fields": {
-    "introduction": "",
-    "image": null
-  }
-},
 {
   "model": "blog.blogindexpage",
   "pk": 61,