Eliminated references to deprecated ONOS_NIC environment variable.

Change-Id: I9b709920c1aa2e7c1c4cb1f28f920dd2820b86ba
diff --git a/tools/test/bin/onos-config b/tools/test/bin/onos-config
index d1f6e89..7ada015 100755
--- a/tools/test/bin/onos-config
+++ b/tools/test/bin/onos-config
@@ -39,10 +39,7 @@
 export ONOS_APPS="${ONOS_APPS:-gui,drivers,openflow}"
 
 ssh -tt $remote "
-    echo \"onos.ip = \$(sudo ifconfig | grep $ONOS_NIC | cut -d: -f2 | cut -d\\  -f1)\" \
-        >> $ONOS_INSTALL_DIR/$KARAF_DIST/etc/system.properties
-
-    # Drop copycat related log level for the console
+    # Drop atomix related log level for the console
     echo "log4j2.logger.atomix.name = io.atomix.protocols.raft" >> $ONOS_INSTALL_DIR/$KARAF_DIST/etc/org.ops4j.pax.logging.cfg
     echo "log4j2.logger.atomix.level = INFO" >> $ONOS_INSTALL_DIR/$KARAF_DIST/etc/org.ops4j.pax.logging.cfg