message: Remove in_current_chain
diff: @@ -893,8 +893,7 @@ void mongo_db_plugin_impl::_process_accepted_block( const chain::block_state_ptr
  auto block_state_doc = bsoncxx::builder::basic::document{};
  block_state_doc.append( kvp( "block_num", b_int32{static_cast<int32_t>(block_num)} ),
  kvp( "block_id", block_id_str ),
  - kvp( "validated", b_bool{bs->validated} ),
  - kvp( "in_current_chain", b_bool{bs->in_current_chain} ) );
  + kvp( "validated", b_bool{bs->validated} ) );
  const chain::block_header_state& bhs = *bs;
  @@ -983,7 +982,6 @@ void mongo_db_plugin_impl::_process_irreversible_block(const chain::block_state_
  auto update_doc = make_document( kvp( "$set", make_document( kvp( "irreversible", b_bool{true} ),
  kvp( "validated", b_bool{bs->validated} ),
  - kvp( "in_current_chain", b_bool{bs->in_current_chain} ),
  kvp( "updatedAt", b_date{now} ) ) ) );
  _blocks.update_one( make_document( kvp( "_id", ir_block->view()["_id"].get_oid() ) ), update_doc.view() );
  @@ -999,7 +997,6 @@ void mongo_db_plugin_impl::_process_irreversible_block(const chain::block_state_
  auto update_doc = make_document( kvp( "$set", make_document( kvp( "irreversible", b_bool{true} ),
  kvp( "validated", b_bool{bs->validated} ),
  - kvp( "in_current_chain", b_bool{bs->in_current_chain} ),
  kvp( "updatedAt", b_date{now} ) ) ) );
  _block_states.update_one( make_document( kvp( "_id", ir_block->view()["_id"].get_oid() ) ), update_doc.view() );
  