drop not needed sys/capability.h header includes am: a7bd4fcfd0 am: 16cf207b31

Original change: https://android-review.googlesource.com/c/platform/external/android-clat/+/2270109

Change-Id: I153a9debd326d1c8d6b6b25e3e9de1b126185563
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>