domain_deprecated: remove cgroup access

Logs indicate that all processes that require read access
have already been granted it.

Bug: 28760354
Test: build policy
Merged-In: I5826c45f54af32e3d4296df904c8523bb5df5e62
Change-Id: I5826c45f54af32e3d4296df904c8523bb5df5e62
1 file changed