platform_app.te: remove obsolete rules.

No audits have been recorded for these rules. Remove them.

Originally added for backwards compatibility in
549ccf77e3fd23bb6c690da7023441c1007c4fd8 as part of the split
between cache_file and cache_recovery_file.

Bug: 25351711
Test: No audit records recorded
Change-Id: I5133028b5fcc99a731aabea90305171dee0edf47
1 file changed