Revert "WebDriverFactory: properly fix warning from CheckStyle."

This reverts commit e4467d2.

The fix wasn't good enough and causes PMD to complain after enabling
inspecting tests. Also looks like CheckStyle doesn't complain about it
now.

No functional changes.

Author: php-coder

src/main/config/checkstyle-suppressions.xml

@@ -8,9 +8,6 @@
 	<!-- false positives due to Lombok usage -->
 	<suppress checks="HideUtilityClassConstructor" files="ru.mystamps.web.controller.dto" />
 
-	<!-- I don't want to rename WebDriverFactory to AbstractWebDriverFactory -->
-	<suppress checks="AbstractClassName" files="ru.mystamps.web.tests.WebDriverFactory" />
-	
 	<!-- These files will be removed during porting integration tests to Cucumber JVM (see #18) -->
 	<suppress checks="ImportOrder" files="src/test/java/ru/mystamps/web/tests" />
 

src/test/java/ru/mystamps/web/tests/WebDriverFactory.java

@@ -21,7 +21,7 @@
 import org.openqa.selenium.WebDriver;
 import org.openqa.selenium.htmlunit.HtmlUnitDriver;
 
-public abstract class WebDriverFactory {
+public final class WebDriverFactory {
 
 	private static WebDriver driver;