Remove database row labels from Regsitrations report CSV column headings

remove_db_labels_example.php

<?php
//* Please do NOT include the opening php tag, except of course if you're starting with a blank file

function ee_remove_db_labels_from_csv_column_headings(
    $reg_csv_array, 
    $reg_row 
) {
    foreach ($reg_csv_array as $key => $value) {
        unset($reg_csv_array[$key]);
        $new_key = preg_replace('/\[[^\]]*]/', '', $key);
        $reg_csv_array[$new_key] = $value;
    }
    return $reg_csv_array;
}
add_filter( 
    'FHEE__EventEspressoBatchRequest__JobHandlers__RegistrationsReport__reg_csv_array', 
    'ee_remove_db_labels_from_csv_column_headings', 
    11, 
    2
);