OPENDJ-3417 Remove several backend-related methods from DirectoryServer class

Nicolas Capponi

03.41.2016 aaf1f09351c43d52009c6b53b93eb153ace8428e

 opendj-server-legacy/src/main/java/org/opends/server/extensions/SoftReferenceEntryCache.java

@@ -327,7 +327,8 @@
  public void clearSubtree(DN baseDN)
  {
    // Determine the backend used to hold the specified base DN and clear it.
    LocalBackend<?> backend = DirectoryServer.getLocalBackend(baseDN);
    LocalBackend<?> backend =
        DirectoryServer.getInstance().getServerContext().getBackendConfigManager().getLocalBackend(baseDN);
    if (backend == null)
    {
      // FIXME -- Should we clear everything just to be safe?