Remove deprecated instructions() method in the traffic treatment class

Change-Id: I739b35bdcbf9867c639c7b6ca4006f3eeafbb055
diff --git a/providers/openflow/group/src/main/java/org/onosproject/provider/of/group/impl/GroupModBuilder.java b/providers/openflow/group/src/main/java/org/onosproject/provider/of/group/impl/GroupModBuilder.java
index 25ece46..cd88017 100644
--- a/providers/openflow/group/src/main/java/org/onosproject/provider/of/group/impl/GroupModBuilder.java
+++ b/providers/openflow/group/src/main/java/org/onosproject/provider/of/group/impl/GroupModBuilder.java
@@ -184,7 +184,7 @@
             return actions;
         }
 
-        for (Instruction i : treatment.instructions()) {
+        for (Instruction i : treatment.allInstructions()) {
             switch (i.type()) {
                 case DROP:
                     log.warn("Saw drop action; assigning drop action");