[java] Deleting unused imports

Author: barancev

java/client/test/org/openqa/selenium/firefox/TakesFullPageScreenshotTest.java

@@ -30,7 +30,6 @@
 import org.openqa.selenium.OutputType;
 import org.openqa.selenium.testing.Ignore;
 import org.openqa.selenium.testing.JUnit4TestBase;
-import org.openqa.selenium.testing.drivers.Browser;
 
 import java.awt.image.BufferedImage;
 import java.awt.image.Raster;