Revert "MD user manager (learn more page, user manager tutorial)"

chrome/browser/ui/webui/signin/signin_create_profile_handler.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/signin/signin_create_profile_handler.h"
 
 #include <stddef.h>
 #include <string>
 #include <vector>
 
@@ skipping 68 matching lines @@
       l10n_util::GetStringUTF16(IDS_LEGACY_SUPERVISED_USER_LEARN_MORE_TITLE));
   localized_strings->SetString(
       "supervisedUserLearnMoreDone",
       l10n_util::GetStringUTF16(
           IDS_LEGACY_SUPERVISED_USER_LEARN_MORE_DONE_BUTTON));
   localized_strings->SetString(
       "supervisedUserLearnMoreText",
       l10n_util::GetStringFUTF16(
           IDS_LEGACY_SUPERVISED_USER_LEARN_MORE_TEXT,
           base::ASCIIToUTF16(
-              chrome::kLegacySupervisedUserManagementURL),
-          base::ASCIIToUTF16(
               chrome::kLegacySupervisedUserManagementDisplayURL)));
 }
 
 void SigninCreateProfileHandler::RegisterMessages() {
 #if defined(ENABLE_SUPERVISED_USERS)
   // Cancellation is only supported for supervised users.
   web_ui()->RegisterMessageCallback(
       "cancelCreateProfile",
       base::Bind(&SigninCreateProfileHandler::HandleCancelProfileCreation,
                  base::Unretained(this)));
@@ skipping 523 matching lines @@
     DCHECK_EQ(SUPERVISED_PROFILE_IMPORT, profile_creation_type_);
     UMA_HISTOGRAM_ENUMERATION("Profile.SupervisedProfileImportError",
                               error_state, GoogleServiceAuthError::NUM_STATES);
     UMA_HISTOGRAM_MEDIUM_TIMES(
         "Profile.SupervisedProfileTotalImportTime",
         base::TimeTicks::Now() - profile_creation_start_time_);
   }
 }
 
 #endif