priv_app: Remove rules allowing a priv-app to ptrace itself

We added an auditallow for these permissions on 12/11/2019, and have not
seen any recent logs for this in go/sedenials. No other priv-app should
rely on this now that gmscore is running in its own domain.

Bug: 142672293
Test: TH
Change-Id: Iaeaef560883b61644625b21e5c7095d4d9c68da9
1 file changed