removed unneeded imports

Author: vtrifonov

test-app/app/src/main/java/com/tns/RuntimeHelper.java

@@ -18,10 +18,6 @@
 import java.lang.reflect.Field;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-import java.nio.file.attribute.BasicFileAttributes;
 import java.util.TimeZone;
 
 public final class RuntimeHelper {