Revert "sepolicy: Allow kernel to read zram_swap_file"

This reverts commit 1d8c92a51c5ae15bdbe9352763e66640fd867c5b.
diff --git a/basic/non_plat/file.te b/basic/non_plat/file.te
index c045242..8d63ea1 100644
--- a/basic/non_plat/file.te
+++ b/basic/non_plat/file.te
@@ -555,8 +555,6 @@
 
 type nfc_socket_file, file_type, data_file_type, core_data_file_type;
 
-type zram_swap_file, file_type, data_file_type, core_data_file_type;
-
 ##########################
 # Socket types
 #
diff --git a/basic/non_plat/file_contexts b/basic/non_plat/file_contexts
index 7e1d513..8589ca7 100644
--- a/basic/non_plat/file_contexts
+++ b/basic/non_plat/file_contexts
@@ -38,7 +38,6 @@
 /data/vendor/dipdebug(/.*)?         u:object_r:aee_dipdebug_vendor_file:s0
 /data/vendor/key_provisioning(/.*)? u:object_r:key_install_data_file:s0
 /data/vendor/vcodec(/.*)?           u:object_r:vcodec_file:s0
-/data/per_boot/zram_swap            u:object_r:zram_swap_file:s0
 
 # Misc data
 /data/misc/mblog(/.*)?    u:object_r:logmisc_data_file:s0
diff --git a/basic/non_plat/kernel.te b/basic/non_plat/kernel.te
index 6021be9..8085697 100644
--- a/basic/non_plat/kernel.te
+++ b/basic/non_plat/kernel.te
@@ -87,4 +87,3 @@
 allow kernel expdb_block_device:blk_file rw_file_perms;
 
 allow kernel block_device:blk_file rw_file_perms;
-allow kernel zram_swap_file:file r_file_perms;