Remove duplicate registration campaign tests

Author: alexeygrigorev

courses/tests/test_registration_campaigns.py

@@ -140,24 +140,6 @@ def test_anonymous_registration_page_does_not_show_logout_link(self):
 
         self.assertNotContains(response, "to use a different email address")
 
-    def test_logged_in_registration_page_shows_logout_link(self):
-        user = self.create_signed_user()
-        self.client.force_login(user)
-
-        url = self.campaign_url()
-        response = self.client.get(url)
-
-        logout_url = reverse("account_logout")
-        self.assertContains(response, "Log out")
-        self.assertContains(response, f"{logout_url}?next=")
-        self.assertContains(response, "to use a different email address")
-
-    def test_anonymous_registration_page_does_not_show_logout_link(self):
-        url = self.campaign_url()
-        response = self.client.get(url)
-
-        self.assertNotContains(response, "to use a different email address")
-
     @override_settings(
         DATAMAILER_URL="",
         DATAMAILER_API_KEY="",