Revert "fix: TUP-706 A.1.a. cannot login to site 2"

This reverts commit 6bece39.

This did not fix anything. `SESSION_COOKIE_SECURE=False` is still required locally.

taccsite_cms/middleware/settings.py

@@ -14,11 +14,7 @@ def __call__(self, request):
             current_site = Site.objects.get(id=settings.DEFAULT_SITE_ID)
 
         request.current_site = current_site
-        current_domain = urlparse('//' + current_site.domain)
-
         settings.SITE_ID = current_site.id
-        settings.SESSION_COOKIE_NAME = f"sessionid_site{current_site.id}"
-        settings.SESSION_COOKIE_DOMAIN = current_domain.hostname
 
         response = self.get_response(request)
         return response