Remove useless setting for IT (#99)

Author: shuwenwei

Diff for: test/e2e/Dockerfile.iotdb-server

@@ -24,8 +24,5 @@ RUN apt update \
 ADD target /usr/local
 ADD test/e2e/start-1c1d.sh /
 WORKDIR /usr/local/iotdb
-RUN sed -i 's/dn_rpc_address=127.0.0.1/dn_rpc_address=0.0.0.0/g' conf/iotdb-datanode.properties \
-  && sed -i 's/dn_internal_address=127.0.0.1/dn_internal_address=0.0.0.0/g' conf/iotdb-datanode.properties \
-  && sed -i 's/cn_internal_address=127.0.0.1/cn_internal_address=0.0.0.0/g' conf/iotdb-confignode.properties
 EXPOSE 6667
 CMD ["/start-1c1d.sh"]