[ONOS-7546] Simplify partitioning scheme for ISSU

Change-Id: I417e16bd7b97ba8e77ed5ce4f6224487ed13a1c2
diff --git a/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/CoordinationManager.java b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/CoordinationManager.java
index e7ed20a..fcb90f4 100644
--- a/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/CoordinationManager.java
+++ b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/CoordinationManager.java
@@ -85,9 +85,9 @@
 
     @Activate
     public void activate() {
-        partition = new ActiveStoragePartition(
+        partition = new StoragePartition(
                 new DefaultPartition(
-                        PartitionId.SHARED,
+                        PartitionId.from(0),
                         null,
                         clusterService.getNodes()
                                 .stream()