Revert "Add placeholder iris and face policy for vold data directory"

This reverts commit 92bde4b941b7078a5fdf8aec6660ca44d0ffbb49.

Reason for revert: Rebooting after OTA fails due to the
filesystem still seeing the old label on the device.

Bug: 116528212
Bug: 119747564
Change-Id: Ib5f920f85c7e305e89c377369dca038d2c6c738c
Test: rollback change
diff --git a/private/file_contexts b/private/file_contexts
index de66a93..e94588a 100644
--- a/private/file_contexts
+++ b/private/file_contexts
@@ -481,13 +481,7 @@
 /data/system/users/[0-9]+/fpdata(/.*)? u:object_r:fingerprintd_data_file:s0
 
 # Fingerprint vendor data file
-/data/vendor_de/[0-9]+/fpdata(/.*)? u:object_r:biometric_vendor_data_file:s0
-
-# Face vendor data file
-/data/vendor_de/[0-9]+/facedata(/.*)? u:object_r:biometric_vendor_data_file:s0
-
-# Iris vendor data file
-/data/vendor_de/[0-9]+/irisdata(/.*)? u:object_r:biometric_vendor_data_file:s0
+/data/vendor_de/[0-9]+/fpdata(/.*)? u:object_r:fingerprint_vendor_data_file:s0
 
 # Bootchart data
 /data/bootchart(/.*)?		u:object_r:bootchart_data_file:s0