Remove permission group no longer used thus fixing warning

With the commit below, a lot of permission groups were removed but the ones
in repos like this were left behind. Leaving them here throws a warning and
just looks lazy.

https://github.com/DirtyUnicorns/android_frameworks_base/commit/61a4dd5c6677048fcbcbdf2de402649dba50bbeb

Change-Id: Ic1767df15d1aa6264820c7dce461f59719604f24
2 files changed