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

This reverts commit 21b3b37af3f2677c46f5a0d0374d8fe46e1dee9a.

Reason for revert: device not booting

Change-Id: Ia76b8454268d70dcd9d9f1ad0d291aaec63b3fd4
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);