Revert "Revert "Revert "vold now prepares a subdirectory for face data."""

This reverts commit 9dcf54929f74ab4b128fcfe9b9638d3194f16b3b.

Reason for revert: Device fails to boot after OTA.

Bug: 116528212
Bug: 119747564
Change-Id: I32bfbc2c2fd560f090e078426315111f241e76cf
(cherry picked from commit 8973e2d5d098f08b1a26110a4b67d3f8aea2c6ee)
diff --git a/vold_prepare_subdirs.cpp b/vold_prepare_subdirs.cpp
index b8e5cb6..8c3df30 100644
--- a/vold_prepare_subdirs.cpp
+++ b/vold_prepare_subdirs.cpp
@@ -133,10 +133,6 @@
             if (!prepare_dir(sehandle, 0700, AID_SYSTEM, AID_SYSTEM, vendor_de_path + "/fpdata")) {
                 return false;
             }
-            auto facedata_path = vendor_de_path + "/facedata";
-            if (!prepare_dir(sehandle, 0700, AID_SYSTEM, AID_SYSTEM, facedata_path)) {
-                return false;
-            }
         }
         if (flags & android::os::IVold::STORAGE_FLAG_CE) {
             auto misc_ce_path = android::vold::BuildDataMiscCePath(user_id);