dnscms: migrate to uv, remove wagtail-wordpress-import dependency

dnscms/news/models.py

@@ -5,9 +5,9 @@ from wagtail.admin.panels import FieldPanel
 from wagtail.fields import RichTextField
 from wagtail.models import Page
 from wagtail.search import index
-from wagtail_wordpress_import.models import WPImportedPageMixin
 
 from dnscms.fields import CommonStreamField
+from dnscms.wordpress.models import WPImportedPageMixin
 
 
 @register_singular_query_field("newsIndex")
@@ -76,8 +76,6 @@ class NewsPage(WPImportedPageMixin, Page):
         index.SearchField("body"),
     ]
 
-    settings_panels = Page.settings_panels + WPImportedPageMixin.wordpress_panels
-
     def import_wordpress_data(self, data):
         import html