Revert "Adds a sepolicy for EVS manager service"

Revert submission 1967140-EVS_sepolicy_updates_T

Reason for revert: triggered revert due to breakage https://android-build.googleplex.com/builds/quarterdeck?branch=git_master&target=cf_x86_64_auto-userdebug&lkgb=8168894&lkbb=8168958&fkbb=8168947, bug b/218802298
Reverted Changes:
I730d56ab1:Allows hal_evs_default to read directories
I2df8e10f5:Updates sepolicy for EVS HAL
Ie6cb3e269:Adds a sepolicy for EVS manager service

Change-Id: I207c261bcf2c8498d937ab02c499bf709a5f1b15
diff --git a/public/hal_evs.te b/public/hal_evs.te
index e5e5fce..789333a 100644
--- a/public/hal_evs.te
+++ b/public/hal_evs.te
@@ -1,12 +1,5 @@
 hwbinder_use(hal_evs_client)
 hwbinder_use(hal_evs_server)
-
 binder_call(hal_evs_client, hal_evs_server)
 binder_call(hal_evs_server, hal_evs_client)
-
-# Below lines are equivalent to hal_attribute_hwservice(hal_evs, hal_evs_hwservice)
-# except it allows evsmanagerd to add hal_evs_hwservice.
-allow hal_evs_client hal_evs_hwservice:hwservice_manager find;
-allow hal_evs_server hal_evs_hwservice:hwservice_manager { add find };
-allow hal_evs_server hidl_base_hwservice:hwservice_manager add;
-neverallow { domain -hal_evs_server -evsmanagerd } hal_evs_hwservice:hwservice_manager add;
+hal_attribute_hwservice(hal_evs, hal_evs_hwservice)