Fix: resolve insufficient RAM problem caused by incorrect atomix-conf

Change-Id: I151077d946395dbf8aaeb95808566087ef27e452
diff --git a/tools/test/bin/atomix-config b/tools/test/bin/atomix-config
index 0cc2954..d5841f7 100755
--- a/tools/test/bin/atomix-config
+++ b/tools/test/bin/atomix-config
@@ -37,5 +37,5 @@
 scp -q $CDEF_FILE $remote:$ATOMIX_INSTALL_DIR/atomix.json
 
 ssh -tt $ONOS_USER@$node "
-    echo \"cd $ATOMIX_INSTALL_DIR && java -Xms4G -Xmx4G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -cp .:$ATOMIX_INSTALL_DIR/atomix.json:$ATOMIX_INSTALL_DIR/atomix-agent.jar -Datomix.logging.level=DEBUG io.atomix.agent.AtomixAgent\" > $ATOMIX_INSTALL_DIR/atomix && sudo chmod u+x $ATOMIX_INSTALL_DIR/atomix
+    echo \"cd $ATOMIX_INSTALL_DIR && java -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -cp .:$ATOMIX_INSTALL_DIR/atomix.json:$ATOMIX_INSTALL_DIR/atomix-agent.jar -Datomix.logging.level=DEBUG io.atomix.agent.AtomixAgent\" > $ATOMIX_INSTALL_DIR/atomix && sudo chmod u+x $ATOMIX_INSTALL_DIR/atomix
 "