tree 67e91947bdcc6f3f82b6d702fcb42d66ba0a23db
parent 3001e2431d01a4604232c9ea693616cf8cadc83a
author zhufl <zhu.fanglei@zte.com.cn> 1505182731 +0800
committer zhufl <zhu.fanglei@zte.com.cn> 1505266700 +0000

Remove unused _add_router_interface_with_subnet_id helper

_add_router_interface_with_subnet_id is not unused in
RoutersAdminTest, so this is to remove it.

Change-Id: I6945ed815580982ea68a76ad677a282c096295b2