platform BpfLoader: drop support for uprobestats am: c799e7610f

Original change: https://android-review.googlesource.com/c/platform/system/bpf/+/3534045

Change-Id: I20fc67c1881911d27baab49a3f73eaae0a680fdf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>