Use released 1.5.2 CCSDK parent

Use released Frankfurt M4 version of CCSDK parent poms

Change-Id: I05de5b17ca00463c0d5e772d4995870df5ff0fc1
Issue-ID: CCSDK-2152
Signed-off-by: Dan Timoney <dtimoney@att.com>
diff --git a/sdnr/northbound/CMNotify/feature/pom.xml b/sdnr/northbound/CMNotify/feature/pom.xml
index b35521d..ba23a3a 100644
--- a/sdnr/northbound/CMNotify/feature/pom.xml
+++ b/sdnr/northbound/CMNotify/feature/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <groupId>org.onap.ccsdk.parent</groupId>
         <artifactId>single-feature-parent</artifactId>
-        <version>1.5.2-SNAPSHOT</version>
+        <version>1.5.2</version>
         <relativePath/>
     </parent>