rename a file for api changes

pyrat-api-single-parent.json

@@ -1,16 +0,0 @@
-[
-    {
-        "animalid": 101,
-        "eartag_or_id": "ID-101",
-        "mutations": [
-            {
-                "animalid": 101,
-                "mutation_id": 5,
-                "mutationname": "Mut-A",
-                "mutationtype": "BAC transgenic",
-                "grade_id": 5,
-                "mutationgrade": "het"
-            }
-        ]
-    }
-]