Remove no-op oobe_completed touch

mod_image_for_test.sh

Index: mod_image_for_test.sh
diff --git a/mod_image_for_test.sh b/mod_image_for_test.sh
index 5b93d245c4864e9d4b1ff98f98265a90db7609cb..cb6206a588f54d46b4307c8ecfe69fcd48dd748c 100755
--- a/mod_image_for_test.sh
+++ b/mod_image_for_test.sh
@@ -190,7 +190,6 @@ IMAGE_DIR=$(dirname "$FLAGS_image")
 IMAGE_NAME="$(basename "$FLAGS_image")"
 ROOT_FS_DIR="$IMAGE_DIR/rootfs"
 STATEFUL_DIR="$IMAGE_DIR/stateful_partition"
-DEV_USER="chronos"
 
 trap cleanup EXIT
 
@@ -216,9 +215,6 @@ http:\/\/${FACTORY_SERVER}:8080\/update/" \
 else
   emerge_chromeos_test
 
-  # Mark "OOBE completed" flag so that OEM partition is not mounted on startup.
-  sudo touch "${ROOT_FS_DIR}/home/${DEV_USER}/.oobe_completed"
-
   MOD_TEST_ROOT="${GCLIENT_ROOT}/src/scripts/mod_for_test_scripts"
   # Run test setup script to modify the image
   sudo GCLIENT_ROOT="${GCLIENT_ROOT}" ROOT_FS_DIR="${ROOT_FS_DIR}" \