[Code Health] Delete spurious code am: 3771b6ac am: 21371014 am: 3bdd569a

Original change: https://android-review.googlesource.com/c/platform/packages/modules/DnsResolver/+/2908297



Change-Id: I190d5e7ceefa0e7a6e4ee8a420945c1f08a70cf4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>