revert another change from when this branch had reseed changes

apps/routerconsole/java/src/net/i2p/router/web/ContextHelper.java

@@ -5,7 +5,7 @@ import java.util.List;
 import net.i2p.data.Hash;
 import net.i2p.router.RouterContext;
 
-public class ContextHelper {
+class ContextHelper {
     public static RouterContext getContext(String contextId) {
         List contexts = RouterContext.listContexts();
         if ( (contexts == null) || (contexts.size() <= 0) )