Remove backwards-compatibility for ENS mainnet requirement, let NameNotFound raise

Author: abhinay

Diff for: tests/core/middleware/test_name_to_address_middleware.py

@@ -1,4 +1,5 @@
 import pytest
+
 import pytest_asyncio
 
 from web3 import (

Diff for: web3/_utils/normalizers.py

@@ -49,7 +49,6 @@
     text_if_str,
 )
 from web3._utils.ens import (
-    StaticENS,
     async_validate_name_has_address,
     is_ens_name,
     validate_name_has_address,
@@ -60,7 +59,6 @@
 )
 from web3.exceptions import (
     InvalidAddress,
-    NameNotFound,
     Web3ValueError,
 )