[IMP] core: remove unnecessary fallback

`importlib.metadata.version` was made final (non-provisional) in
Python 3.10 which is the minver for odoo 18 so no need for a
conditional.

Author: xmo-odoo

odoo/addons/test_http/tests/test_misc.py

@@ -1,6 +1,7 @@
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
 import json
+from importlib import metadata
 from io import StringIO
 from socket import gethostbyname
 from unittest.mock import patch
@@ -15,12 +16,7 @@
 from odoo.addons.test_http.utils import TEST_IP
 from .test_common import TestHttpBase
 
-try:
-    from importlib import metadata
-    werkzeug_version = metadata.version('werkzeug')
-except ImportError:
-    import werkzeug
-    werkzeug_version = werkzeug.__version__
+werkzeug_version = metadata.version('werkzeug')
 
 
 @tagged('post_install', '-at_install')