batch removing unused $request prophesise in Tests setup()

src/Bundle/ChillReportBundle/Tests/Export/Filter/ReportDateFilterTest.php

@@ -28,12 +28,6 @@ final class ReportDateFilterTest extends AbstractFilterTest
     {
         self::bootKernel();
 
-        // add a fake request with a default locale (used in translatable string)
-        $request = $this->prophesize();
-
-        $request->willExtend(\Symfony\Component\HttpFoundation\Request::class);
-        $request->getLocale()->willReturn('fr');
-
         $this->filter = self::$container->get('chill.report.export.filter_date');
     }