MAGETWO-42120: (Request) Add the ability to send the purge requests for multiple servers

- resolved merge conflict

Author: Joan He

dev/tests/static/testsuite/Magento/Test/Legacy/_files/obsolete_constants.php

@@ -936,5 +936,4 @@
         'Magento\Setup\Model\ConfigOptionsList',
         'Magento\Framework\Config\ConfigOptionsListConstants::KEY_MODULES'
     ],
-    ['CONFIG_PATH_RESOURCE_DEFAULT_SETUP', 'Magento\Framework\Config\ConfigOptionsListConstants'],
 ];