let org.springframework.data/spring-data-couchbase take care of
Couchbase dependencies.
Issue-ID: DCAEGEN2-1309
Change-Id: I0e6ba6198bb30a5cc69bdc6202f23df6c8c46e85
Signed-off-by: Guobiao Mo <guobiaomo@chinamobile.com>
             <version>1.5.22</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>com.couchbase.client</groupId>
-            <artifactId>core-io</artifactId>
-            <version>1.7.4</version>
-        </dependency>
     </dependencies>
 
     <build>
 
 {\r
-       "_id": {\r
-               "$oid": "5bb3d3ad5bea3f41300959ba"\r
-       },\r
+       "_id": "5bb3d3ad5bea3f41300959ba",\r
        "closedLoopEventClient": "DCAE.HolmesInstance",\r
        "policyVersion": "1.0.0.5",\r
        "policyName": "CCVPN",\r