Update test_source_osv.py to remove dwf and js

Author: Saksham-Sirohi

test/test_source_osv.py

@@ -178,7 +178,6 @@ async def test_update_ecosystems(self):
 
         # Validate parent ecosystems
         code_parent_ecosystems = {e.split(":")[0] for e in self.osv.ecosystems}
-        expected_top_level.update({"DWF", "JavaScript"})
         expected_top_level.discard("[EMPTY]")
         missing_parents = expected_top_level - code_parent_ecosystems
         extra_parents = code_parent_ecosystems - expected_top_level