Remove obsolete todo comment

Change-Id: I6bf21d6b5c68107701fc78f77b5d1f411ea4bc6a
diff --git a/core/api/src/main/java/org/onosproject/net/flow/instructions/Instruction.java b/core/api/src/main/java/org/onosproject/net/flow/instructions/Instruction.java
index b5ddcc1..e3fe3f3 100644
--- a/core/api/src/main/java/org/onosproject/net/flow/instructions/Instruction.java
+++ b/core/api/src/main/java/org/onosproject/net/flow/instructions/Instruction.java
@@ -60,9 +60,6 @@
         L3MODIFICATION
     }
 
-    // TODO: Create factory class 'Instructions' that will have various factory
-    // to create specific instructions.
-
     /**
      * Returns the type of instruction.
      * @return type of instruction