[nearby][clean up] Remove HalfSheetUX from apex am: ca314c2d71

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2727074

Change-Id: I0e31e7bab86468c3604dfc24128b09f8294d43bc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>