get terms remove first element
<?php
$tags = get_the_terms(get_the_ID(), 'post_tag');
if (!empty($tags)) {
$category = wp_list_pluck($tags, 'term_id');
array_shift($category);
$count = count($category);
$i = 0;
$term_list = '<p class="article-tags">';
foreach ($category as $value) {
$tag = get_tag($value);
$i++;
$term_list .= '<a href="' . get_tag_link($value) . '">'
. $tag->name . '</a>';
if ($count != $i) {
$term_list .= ' , ';
} else {
$term_list .= '</p>';
}
}
echo $term_list;
}
?>