move-only util data to test/functional/data/util

test/functional/data/util/blanktxv2.json

@@ -0,0 +1,14 @@
+{
+    "txid": "4ebd325a4b394cff8c57e8317ccf5a8d0e2bdf1b8526f8aad6c8e43d8240621a",
+    "hash": "4ebd325a4b394cff8c57e8317ccf5a8d0e2bdf1b8526f8aad6c8e43d8240621a",
+    "version": 2,
+    "size": 10,
+    "vsize": 10,
+    "weight": 40,
+    "locktime": 0,
+    "vin": [
+    ],
+    "vout": [
+    ],
+    "hex": "02000000000000000000"
+}