[Persistence] Remove cache from bundle definition

Remove reference to persistence cache from the Couch adapter's
bundle definition; this has been moved into a separate bundle
to support reuse with the WARP Server persistence adapter,
WTD-702.

platform/persistence/couch/bundle.json

@@ -8,12 +8,6 @@
                 "type": "provider",
                 "implementation": "CouchPersistenceProvider.js",
                 "depends": [ "$http", "$q", "PERSISTENCE_SPACE", "COUCHDB_PATH" ]
-            },
-            {
-                "provides": "persistenceService",
-                "type": "decorator",
-                "implementation": "CachingPersistenceDecorator.js",
-                "depends": [ "PERSISTENCE_SPACE" ]
             }
         ],
         "constants": [