removed additional wait for page load

Author: Manoranjan.Prakash

app/code/Magento/ConfigurableProduct/Test/Mftf/ActionGroup/DeleteProductAttributeByCodeActionGroup.xml

@@ -20,7 +20,6 @@
         <fillField selector="{{AdminProductAttributeGridSection.FilterByAttributeCode}}" userInput="{{attribute_code}}" stepKey="setAttributeCode"/>
         <click selector="{{AdminProductAttributeGridSection.Search}}" stepKey="searchForAttributeFromTheGrid"/>
         <click selector="{{AdminProductAttributeGridSection.FirstRow}}" stepKey="clickOnAttributeRow"/>
-        <waitForPageLoad stepKey="waitForPageLoad2"/>
         <waitForPageLoad stepKey="waitForViewAdminProductAttributeLoad" time="30"/>
         <click selector="{{AttributePropertiesSection.DeleteAttribute}}" stepKey="deleteAttribute"/>
         <click selector="{{ModalConfirmationSection.OkButton}}" stepKey="clickOnConfirmOk"/>