message: Remove unnecessary MPI barrier for commit
diff: @@ -98,7 +98,6 @@ namespace ospray {
  + std::to_string(mpicommon::world.rank)
  + " did not have object to commit!");
  }
  - mpicommon::app.barrier();
  }
  void CommitObject::runOnMaster()
  @@ -109,7 +108,6 @@ namespace ospray {
  obj->commit();
  }
  }
  - mpicommon::worker.barrier();
  }
  void CommitObject::serialize(WriteStream &b) const
  