Removed stale TODO

Change-Id: Icafb7ac3de4a03c7fa271edfff00a14c73dd3289
diff --git a/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/PartitionManager.java b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/PartitionManager.java
index f0457fa..bedac18 100644
--- a/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/PartitionManager.java
+++ b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/PartitionManager.java
@@ -164,8 +164,6 @@
         diffExaminer.partitionDiffs()
                     .values()
                     .stream()
-                    // TODO: Remove after partition 0 is removed from cluster metadata.
-                    .filter(diff -> !diff.partitionId().equals(PartitionId.from(0)))
                     .filter(PartitionDiff::hasChanged)
                     .forEach(diff -> partitions.get(diff.partitionId()).onUpdate(diff.newValue()));
     }