Revert "add runtime type for wrapped records (#23)"

This reverts commit 469d815.

Author: bentsku

src/py_avro_schema/_schemas.py

@@ -325,20 +325,14 @@ def _wrap_as_record(self, inner_schema: JSONObj, names: NamesType) -> JSONType:
         if fullname in names:
             return fullname
         names.append(fullname)
-
-        fields = [
-            {"name": REF_ID_KEY, "type": ["null", "long"], "default": None},
-            {"name": REF_DATA_KEY, "type": inner_schema},
-        ]
-        if Option.ADD_RUNTIME_TYPE_FIELD in self.options:
-            fields.append({"name": RUNTIME_TYPE_KEY, "type": ["null", "string"]})
-
         record_schema = {
             "type": "record",
             "name": record_name,
-            "fields": fields,
+            "fields": [
+                {"name": REF_ID_KEY, "type": ["null", "long"], "default": None},
+                {"name": REF_DATA_KEY, "type": inner_schema},
+            ],
         }
-
         if self.namespace:
             record_schema["namespace"] = self.namespace
         return record_schema

tests/test_avro_schema.py

@@ -80,17 +80,3 @@ class PyType:
         ],
     }
     assert_schema(PyType, expected, options=pas.Option.ADD_RUNTIME_TYPE_FIELD)
-
-
-def test_add_type_field_on_wrapped_record():
-    py_type = list[str]
-    expected = {
-        "type": "record",
-        "name": "StrList",
-        "fields": [
-            {"name": "__id", "type": ["null", "long"], "default": None},
-            {"name": "__data", "type": {"type": "array", "items": "string"}},
-            {"name": "_runtime_type", "type": ["null", "string"]},
-        ],
-    }
-    assert_schema(py_type, expected, options=pas.Option.WRAP_INTO_RECORDS | pas.Option.ADD_RUNTIME_TYPE_FIELD)