MC-20539: Fix MFTF tests to work with elasticsearch

- remove mysql test type reference from MTF

Author: dthampy

dev/tests/functional/tests/app/Magento/LayeredNavigation/Test/TestCase/FilterProductListTest.xml

@@ -94,7 +94,7 @@
             <constraint name="Magento\LayeredNavigation\Test\Constraint\AssertFilterProductList" />
         </variation>
         <variation name="FilterProductListTestVariation4" summary="Use sorting category filter when layered navigation is applied" ticketId="MAGETWO-42701">
-            <data name="tag" xsi:type="string">test_type:mysql_search</data>
+<!--            <data name="tag" xsi:type="string">test_type:mysql_search</data>-->
             <data name="configData" xsi:type="string">layered_navigation_manual_range_10</data>
             <data name="runReindex" xsi:type="boolean">true</data>
             <data name="category/dataset" xsi:type="string">default_anchor_subcategory</data>