[REV] website: Revert preservation of website specific views

This patch was needed for v12 for the BS3 > BS4 conversion of website specific views in
previous version, but now that there's no need of such conversion, standard code is OK for
automatically recycling of specific views if there are upstream changes.

addons/website/models/ir_ui_view.py

@@ -165,14 +165,7 @@ def unlink(self):
                     view.with_context(website_id=website.id).write({'name': view.name})
 
         specific_views = self.env['ir.ui.view']
-
-        # OpenUpgrade: force a False condition to never enter this code block.
-        # This is needed because the update process could correctly unlink
-        # website-agnostic views, but we don't want the website-specific
-        # equivalents to be removed during the migration.
-        if False and self and self.pool._init:
-        # OpenUpgrade: end of modification
-
+        if self and self.pool._init:
             for view in self.filtered(lambda view: not view.website_id):
                 specific_views += view._get_specific_views()