Make sure that artifacts are being deployed to repository

The Hono tests module is the last one being built and as such needs to
take care of publishing the (deferred) artifacts created in the other
modules to the Maven Central staging repository.

Signed-off-by: Kai Hudalla <kai.hudalla@bosch.io>

tests/pom.xml

@@ -29,16 +29,6 @@ Test cases are run against Docker images of Hono server + (Apache Qpid Dispatch
   <url>https://www.eclipse.org/hono</url>
 
   <properties>
-    <!-- 
-      this property prevents the Nexus Staging Maven Plugin to
-      deploy this module's artifacts to Maven Central' staging repo
-     -->
-    <skipNexusStagingDeployMojo>true</skipNexusStagingDeployMojo>
-    <!-- 
-      this property prevents the Nexus Staging Maven Plugin to
-      deploy this module's artifacts to the configured project repository
-     -->
-    <skipStaging>true</skipStaging>
     <maven.javadoc.skip>true</maven.javadoc.skip>
     <maven.source.skip>true</maven.source.skip>
     <maven.install.skip>true</maven.install.skip>