Merge "ethernet: delete superfluous helper function" am: a6f0bf9c93

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2626729

Change-Id: I8164df1d6d523e57f8bb5e39e6e5cd3d992aba80
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>