Drop test call from Dockerfile

This test call interfered with the actual data generation rounds

Author: szarnyasg

Dockerfile

@@ -18,4 +18,3 @@ RUN mvn -DskipTests clean assembly:assembly
 ENV HADOOP_CLIENT_OPTS '-Xmx8G'
 ENV PATH "/opt/julia-1.2.0/bin:${PATH}"
 CMD /opt/ldbc_snb_datagen/docker_run.sh
-CMD julia -e 1+1