Remove unused

Author: micafer

src/test/java/es/upv/i3m/grycap/im/rest/client/ImClientTest.java

@@ -34,7 +34,6 @@ public class ImClientTest extends ImTestWatcher {
   private static final String AUTH_FILE_PATH = "./src/test/resources/auth.dat";
   private static final Integer EXPECTED_ERROR_CODE = 404;
   private static final String EXPECTED_ERROR_MESSAGE = "Not found: '/'";
-  private static final String IM_FAKE_PROVIDER_URL = "http://localhost:1234";
 
   private ImClient getImClient() {
     return imClient;