remove unused import

Author: vladak

opengrok-web/src/test/java/org/opengrok/web/api/v1/controller/SystemControllerTest.java

@@ -24,7 +24,6 @@
 package org.opengrok.web.api.v1.controller;
 
 import jakarta.ws.rs.client.Entity;
-import jakarta.ws.rs.core.Application;
 import jakarta.ws.rs.core.Response;
 import org.glassfish.jersey.servlet.ServletContainer;
 import org.glassfish.jersey.test.DeploymentContext;