domain_deprecated: remove access to /proc/meminfo

Logs indicate that all processes that require access already have it.

Bug: 28760354
Test: build
Change-Id: I3dfa16bf4fba7f653c5f8525e8c565e9e24334a8
(cherry picked from commit 3e5bb807)

private/domain_deprecated.te

@@ -144,7 +144,6 @@ auditallow {
 r_dir_file(domain_deprecated, proc)
 r_dir_file(domain_deprecated, sysfs)
 r_dir_file(domain_deprecated, cgroup)
-allow domain_deprecated proc_meminfo:file r_file_perms;
 
 userdebug_or_eng(`
 auditallow {
@@ -242,11 +241,4 @@ auditallow {
   -system_server
   -zygote
 } cgroup:lnk_file r_file_perms;
-auditallow {
-  domain_deprecated
-  -appdomain
-  -surfaceflinger
-  -system_server
-  -vold
-} proc_meminfo:file r_file_perms;
 ')