Remove unnecessary imports am: 578be4902f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/libs/gsma_services/+/22994978

Change-Id: I7bec86f1e3ffa557452eea3ea2a79b1e65bcfe21
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>