Remove methods deprecated in Drake from Instructions API

Change-Id: I87a20cb9e8abbf4b27bbb4760a62947169866ea6
diff --git a/core/common/src/main/java/org/onosproject/codec/impl/DecodeInstructionCodecHelper.java b/core/common/src/main/java/org/onosproject/codec/impl/DecodeInstructionCodecHelper.java
index 4878c17..fbb8c57 100644
--- a/core/common/src/main/java/org/onosproject/codec/impl/DecodeInstructionCodecHelper.java
+++ b/core/common/src/main/java/org/onosproject/codec/impl/DecodeInstructionCodecHelper.java
@@ -257,8 +257,8 @@
                                                            + " is not supported");
             }
             return Instructions.createOutput(portNumber);
-        } else if (type.equals(Instruction.Type.DROP.name())) {
-            return Instructions.createDrop();
+        } else if (type.equals(Instruction.Type.NOACTION.name())) {
+            return Instructions.createNoAction();
         } else if (type.equals(Instruction.Type.L0MODIFICATION.name())) {
             return decodeL0();
         } else if (type.equals(Instruction.Type.L1MODIFICATION.name())) {