Do not use nexus-staging-maven-plugin since
lftools will make the push of the artifacts in the
new gerrit-maven-stage job
Change-Id: I383e5a0dde097af842c57788c012c1e74ba13442
Issue-ID: CIMAN-234
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
(cherry picked from commit 
712d81ffb6b6b10465b597b5fffd464b0d8ddfc3)
 
   <build>
     <pluginManagement>
       <plugins>
-        <plugin>
-          <groupId>org.sonatype.plugins</groupId>
-          <artifactId>nexus-staging-maven-plugin</artifactId>
-          <version>1.6.7</version>
-          <extensions>true</extensions>
-          <configuration>
-            <nexusUrl>${onap.nexus.url}</nexusUrl>
-            <stagingProfileId>176c31dfe190a</stagingProfileId>
-            <serverId>ecomp-staging</serverId>
-          </configuration>
-        </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-deploy-plugin</artifactId>