MQE-663: Update magento2:2.2-develop tests to be compatible with MFTF v2.0

- remove unused files

Author: okolesnyk

dev/tests/acceptance/tests/functional/Magento/FunctionalTest/Backend/Page/AdminLoginPage.xml

@@ -6,8 +6,7 @@
   */
 -->
 
-<pages xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-        xsi:noNamespaceSchemaLocation="../../../../../../vendor/magento/magento2-functional-testing-framework/src/Magento/FunctionalTestingFramework/Page/etc/PageObject.xsd">
+<pages xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../../vendor/magento/magento2-functional-testing-framework/src/Magento/FunctionalTestingFramework/Page/etc/PageObject.xsd">
     <page name="AdminLoginPage" url="admin" area="admin" module="Magento_Backend">
         <section name="AdminLoginFormSection"/>
     </page>

dev/tests/acceptance/tests/functional/Magento/FunctionalTest/Backend/Section/AdminMessagesSection.xml

@@ -6,8 +6,7 @@
   */
 -->
 
-<sections xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-        xsi:noNamespaceSchemaLocation="../../../../../../../../../../magento2-functional-testing-framework/src/Magento/FunctionalTestingFramework/Page/etc/SectionObject.xsd">
+<sections xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../../vendor/magento/magento2-functional-testing-framework/src/Magento/FunctionalTestingFramework/Page/etc/SectionObject.xsd">
     <section name="AdminMessagesSection">
         <element name="test" type="input" selector=".test"/>
     </section>