[Refactoring] Remove category filtering in Webadmin Integration Tests

As now, there is no Junit 4 test in the module
diff --git a/server/protocols/webadmin-integration-test/distributed-webadmin-integration-test/pom.xml b/server/protocols/webadmin-integration-test/distributed-webadmin-integration-test/pom.xml
index cdda206..47eff5a 100644
--- a/server/protocols/webadmin-integration-test/distributed-webadmin-integration-test/pom.xml
+++ b/server/protocols/webadmin-integration-test/distributed-webadmin-integration-test/pom.xml
@@ -101,7 +101,7 @@
                     <reuseForks>true</reuseForks>
                     <!-- Fail tests longer than 2 hours, prevent form random locking tests -->
                     <forkedProcessTimeoutInSeconds>7200</forkedProcessTimeoutInSeconds>
-                    <groups combine.self="override">org.apache.james.junit.categories.BasicFeature, BasicFeature</groups>
+                    <groups combine.self="override">BasicFeature</groups>
                 </configuration>
             </plugin>
         </plugins>