Move remote cleanup functions to cvd_utils am: f0ddb0052d am: 1b98fea055 am: bdcad060ed

Original change: https://android-review.googlesource.com/c/platform/tools/acloud/+/2063889

Change-Id: I8bdd7cc977332425aeaed46e6ff95a1ade4bd3b2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>