plugin service allow multiple extended plugins both extend the same module/plugin

Author: karenyrx

server/src/main/java/org/opensearch/plugins/PluginsService.java

@@ -728,9 +728,9 @@ static void checkBundleJarHell(Set<URL> classpath, Bundle bundle, Map<String, Se
                 Set<URL> intersection = new HashSet<>(urls);
                 intersection.retainAll(pluginUrls);
                 if (intersection.isEmpty() == false) {
-                    throw new IllegalStateException(
-                        "jar hell! extended plugins " + exts + " have duplicate codebases with each other: " + intersection
-                    );
+                    // throw new IllegalStateException(
+                    // "jar hell! extended plugins " + exts + " have duplicate codebases with each other: " + intersection
+                    // );
                 }
 
                 intersection = new HashSet<>(bundle.urls);