HPCC-9340 Ecl packagemap delete needs a message when successful

Signed-off-by: Stuart Ort <stuart.ort@lexisnexis.com>

ecl/ecl-package/ecl-package.cpp

@@ -455,6 +455,8 @@ public:
         Owned<IClientDeletePackageResponse> resp = packageProcessClient->DeletePackage(request);
         if (resp->getExceptions().ordinality())
             outputMultiExceptions(resp->getExceptions());
+        else
+            printf("Successfully deleted package %s\n", optPackageMap.get());
 
         return 0;
     }