Revert "zenfone7: Allow hal_power_default to write to the /dev/cpu_dma_latency"

This reverts commit 843414bb8219daf9682e8b34e28a4f624a937045.
diff --git a/sepolicy/vendor/hal_power_default.te b/sepolicy/vendor/hal_power_default.te
deleted file mode 100644
index fbf314d..0000000
--- a/sepolicy/vendor/hal_power_default.te
+++ /dev/null
@@ -1,2 +0,0 @@
-# To do powerhint on nodes defined in powerhint.json
-allow hal_power_default vendor_latency_device:chr_file w_file_perms;