Revert "Update health 2.1 readme for file_contexts"

This reverts commit ca44707aea99626476980529a18d7607c8aefddd.

Reason for revert: charger uses hwbinder health HAL now

Bug: 142674987
Test: none

Change-Id: I2be2d393331ad3c377e0b144cfe0c92d3ab59689
diff --git a/health/2.1/README.md b/health/2.1/README.md
index bfcf13b..5a19d7b 100644
--- a/health/2.1/README.md
+++ b/health/2.1/README.md
@@ -99,11 +99,6 @@
 
 For example (replace `<device>` with the device name):
 ```
-# device/<manufacturer>/<device>/sepolicy/vendor/file_contexts
-# Required for charger to open passthrough implementation. Replace <device> with the proper device
-# name. File name must be consistent with `stem` of the implementation module.
-/vendor/lib(64)?/hw/android\.hardware\.health@2\.0-impl-2\.1-<device>\.so u:object_r:same_process_hal_file:s0
-
 # device/<manufacturer>/<device>/sepolicy/vendor/hal_health_default.te
 # Add device specific permissions to hal_health_default domain, especially
 # if a device-specific libhealthd is used and/or device-specific storage related