updated test

integraal/integraal-explanation/src/test/java/fr/boreal/test/explanation/unit_tests/explainer/tracker_gri_s4j/KBSupportExplainerWithLinearTrackerAndSat4JTest.java

@@ -110,8 +110,6 @@ public class KBSupportExplainerWithLinearTrackerAndSat4JTest {
         Set<KnowledgeBase> explanations = explainer.getAllExplanations(query);
 
         KnowledgeBase expectedExpl = createKnowledgeBase(Set.of(TestData.pa),
-                // there is no rule in the explanation
-                // Set.of(TestData.r12_px_px)
                 Set.of()
         );