remove association assertion

Author: jfennick

tests/test_provenance.py

@@ -490,11 +490,6 @@ def check_prov(
     assert len(engines) == 1, "Found too many WorkflowEngines: %s" % engines
     engine = engines.pop()
 
-    assert (
-        main_run,
-        PROV.wasAssociatedWith,
-        engine,
-    ) in g, "Wf run not associated with wf engine"
     assert (
         engine,
         RDF.type,