materio-base-d7/sites/all/modules/contrib/seo/metatag/metatag_verification/metatag_verification.install

<?php
/**
 * @file
 * Update scripts for the Metatag:Verification submodule.
 */

/**
 * Implementations of hook_update_N().
 */

/**
 * Remove the Alexa verification tag.
 */
function metatag_verification_update_7100() {
  module_load_include('install', 'metatag');
  metatag_update_delete_config('alexaVerifyID');
}

/**
 * Remove the Yahoo verification tag.
 */
function metatag_verification_update_7101() {
  module_load_include('install', 'metatag');
  metatag_update_delete_config('y_key');
}