remove unused class member

tango-archiver-pool-config/src/main/java/fr/soleil/tango/archiving/TangoArchivingSystemConfigurationService.java

@@ -33,7 +33,6 @@
 package fr.soleil.tango.archiving;
 
 import com.google.inject.Inject;
-import fr.soleil.tango.archiving.config.select.IArchivingConfigFetcher;
 import fr.soleil.tango.archiving.infra.tango.ArchivingConfigs;
 import fr.soleil.tango.archiving.infra.tango.TangoArchivers;
 
@@ -47,8 +46,6 @@ import java.util.Set;
 public class TangoArchivingSystemConfigurationService {
     @Inject
     private TangoArchivers tangoArchivers;
-    @Inject
-    private IArchivingConfigFetcher archivingConfigFetcher;
 
     public void updateArchiversList() {
         tangoArchivers.updateArchiversList();