unlink() - Bugfix: Do not send two RPCs to same hosts in small files case

    // Small files

    if (static_cast<std::size_t>(size / gkfs::config::rpc::chunksize) < CTX->hosts().size()) {

        auto endp = CTX->hosts().at(CTX->distributor()->locate_file_metadata(path));

        const auto metadata_host_id = CTX->distributor()->locate_file_metadata(path);

        const auto endp_metadata = CTX->hosts().at(metadata_host_id);

        try {

            LOG(DEBUG, "Sending RPC to host: {}", endp.to_string());

            LOG(DEBUG, "Sending RPC to host: {}", endp_metadata.to_string());

            gkfs::rpc::remove::input in(path);

            handles.emplace_back(ld_network_service->post<gkfs::rpc::remove>(endp, in));

            handles.emplace_back(ld_network_service->post<gkfs::rpc::remove>(endp_metadata, in));

            uint64_t chnk_start = 0;

            uint64_t chnk_end = size / gkfs::config::rpc::chunksize;

            for (uint64_t chnk_id = chnk_start; chnk_id <= chnk_end; chnk_id++) {

                const auto target = CTX->hosts().at(

                        CTX->distributor()->locate_data(path, chnk_id));

                const auto chnk_host_id = CTX->distributor()->locate_data(path, chnk_id);

                /*

                 * If the chnk host matches the metadata host the remove request as already been sent

                 * as part of the metadata remove request.

                 */

                if (chnk_host_id == metadata_host_id)

                    continue;

                const auto endp_chnk = CTX->hosts().at(chnk_host_id);

                LOG(DEBUG, "Sending RPC to host: {}", target.to_string());

                LOG(DEBUG, "Sending RPC to host: {}", endp_chnk.to_string());

                handles.emplace_back(ld_network_service->post<gkfs::rpc::remove>(target, in));

                handles.emplace_back(ld_network_service->post<gkfs::rpc::remove>(endp_chnk, in));

            }

        } catch (const std::exception& ex) {

            LOG(ERROR, "Failed to send reduced remove requests");