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

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

Change-Id: If51d7346ddd2e4a9a28ec815a00ca53355748327