Delete previous pydantic object sniffing hack

Author: dandavison

temporalio/converter.py

@@ -1523,18 +1523,6 @@ def value_to_type(
         # TODO(cretz): Want way to convert snake case to camel case?
         return hint(**field_values)
 
-    # If there is a @staticmethod or @classmethod parse_obj, we will use it.
-    # This covers Pydantic models.
-    parse_obj_attr = inspect.getattr_static(hint, "parse_obj", None)
-    if isinstance(parse_obj_attr, classmethod) or isinstance(
-        parse_obj_attr, staticmethod
-    ):
-        if not isinstance(value, dict):
-            raise TypeError(
-                f"Cannot convert to {hint}, value is {type(value)} not dict"
-            )
-        return getattr(hint, "parse_obj")(value)
-
     # IntEnum
     if inspect.isclass(hint) and issubclass(hint, IntEnum):
         if not isinstance(value, int):