[cleanup] Remove WikimediaSiteTestCase class

The wmf flag was never used

Change-Id: I1d8b53748448319dba9dce6ea19addc4d57285bc
---
M tests/aspects.py
1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/tests/aspects.py b/tests/aspects.py
index c93da45..06d88aa 100644
--- a/tests/aspects.py
+++ b/tests/aspects.py
@@ -1137,14 +1137,7 @@
     dry = True
 
 
-class WikimediaSiteTestCase(TestCase):
-
-    """Test class uses only WMF sites."""
-
-    wmf = True
-
-
-class WikimediaDefaultSiteTestCase(DefaultSiteTestCase, WikimediaSiteTestCase):
+class WikimediaDefaultSiteTestCase(DefaultSiteTestCase):
 
     """Test class to run against a WMF site, preferring the default site."""
 

