Fix issue

Author: Manjusha.S

app/code/Magento/PageBuilder/Test/Mftf/ActionGroup/ValidateContentTypesStyleEqualsExpectedStyleActionGroup.xml

@@ -13,7 +13,6 @@
     <arguments>
       <argument name="selector" type="string"/>
       <argument name="expectedProperty" type="string"/>
-      <argument name="cssProperty" defaultValue="backgroundColor" type="string"/>
     </arguments>
     <grabAttributeFrom userInput="data-overlay-color" selector="{{selector}}" stepKey="fetchedProperty"/>
     <assertEquals stepKey="propertyIsEqualsAsExpected">