Remove deprecated instructions() method in the traffic treatment class

Change-Id: I739b35bdcbf9867c639c7b6ca4006f3eeafbb055
diff --git a/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/FlowModBuilderVer10.java b/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/FlowModBuilderVer10.java
index e308299..d6ff82c 100644
--- a/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/FlowModBuilderVer10.java
+++ b/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/FlowModBuilderVer10.java
@@ -138,7 +138,7 @@
         if (treatment == null) {
             return acts;
         }
-        for (Instruction i : treatment.instructions()) {
+        for (Instruction i : treatment.immediate()) {
             switch (i.type()) {
             case DROP:
                 log.warn("Saw drop action; assigning drop action");