Update DataTest.php

Author: Franciscof-Serfe

app/code/Magento/Usps/Test/Unit/Helper/DataTest.php

@@ -58,7 +58,6 @@ public function shippingMethodDataProvider()
             ['usps_3'],        // USPS Ground Advantage (up to 15.999 oz)
             ['usps_4'],        // Retail Ground
             ['usps_6'],        // USPS Ground Advantage LIVES, Offshore
-            ['usps_7'],        // USPS Ground Advantage (up to 15.999 oz)
             ['usps_9'],        // USPS Ground Advantage (1 to 70lbs)
             ['usps_INT_1'],    // Priority Mail Express International
             ['usps_INT_2'],    // Priority Mail International