Remove staging plugin from top level pom.xml

Remove staging plugin from pom.xml.  It should be part of a build profile in the odlparent
pom.

Change-Id: Ic4cb7a064778a57a7aafb4c82789abd7860cc5a8
Issue-ID: CCSDK-1156
Signed-off-by: Timoney, Dan (dt5972) <dtimoney@att.com>
diff --git a/pom.xml b/pom.xml
index 706ad4b..3312db7 100755
--- a/pom.xml
+++ b/pom.xml
@@ -92,17 +92,6 @@
                     <skipTests>false</skipTests>
                 </configuration>
             </plugin>
-            <plugin>
-                <groupId>org.sonatype.plugins</groupId>
-                <artifactId>nexus-staging-maven-plugin</artifactId>
-                <version>1.6.7</version>
-                <extensions>true</extensions>
-                <configuration>
-                    <nexusUrl>https://${onap.nexus.host}</nexusUrl>
-                    <stagingProfileId>${onap.nexus.staging.profile-id}</stagingProfileId>
-                    <serverId>${onap.nexus.staging.server-id}</serverId>
-                </configuration>
-            </plugin>
         </plugins>
 
     </build>