Revert "Take all edges out of the rule itself"

This reverts commit eb50e2281eee83a451406fa6dfb8977a827267ad.

kernel/rules/MvK_rules_MM.mvc

@@ -9,7 +9,7 @@ Class Node {
     value? : String
 }
 
-Class Match : Node {
+Class Match {
     match? : Boolean
 }
 Class Create : Node {}