Make Hands-Off Zero-Touch Enrollment compatibile with tests

chrome/browser/chromeos/login/enrollment/enrollment_screen.cc

Index: chrome/browser/chromeos/login/enrollment/enrollment_screen.cc
diff --git a/chrome/browser/chromeos/login/enrollment/enrollment_screen.cc b/chrome/browser/chromeos/login/enrollment/enrollment_screen.cc
index ee08d9c854280f997194d4f073008023401461bf..e42de46beeb289dbcaa62e716ffa1debe4579487 100644
--- a/chrome/browser/chromeos/login/enrollment/enrollment_screen.cc
+++ b/chrome/browser/chromeos/login/enrollment/enrollment_screen.cc
@@ -57,13 +57,6 @@ constexpr double kMultiplyFactor = 1.5;
 constexpr double kJitterFactor = 0.1;           // +/- 10% jitter
 constexpr int64_t kMaxDelayMS = 8 * 60 * 1000;  // 8 minutes
 
-// Helper function. Returns true if we are using Hands Off Enrollment.
-bool UsingHandsOffEnrollment() {
-  return policy::DeviceCloudPolicyManagerChromeOS::
-             GetZeroTouchEnrollmentMode() ==
-         policy::ZeroTouchEnrollmentMode::HANDS_OFF;
-}
-
 }  // namespace
 
 namespace chromeos {