[RFCLAT#7] clatd_test: remove dead test for configure_tun_ip am: 45b2f7c3c5 am: 262072c78b am: 3b2bd23fe5

Original change: https://android-review.googlesource.com/c/platform/external/android-clat/+/1903812

Change-Id: I17a55b855fc6b8ed03a533404635dde38a0811a8