PHP snippet for Drupal Views Bulk Operations to remove a selected taxonomy term from multiple nodes

gistfile1.php

$bad_tid = 0; // Enter the term id you wish to remove
foreach($entity->field_tags['und'] as $key => $term) {
  if($term['tid'] == $bad_tid) unset ($entity->field_tags['und'][$key]);
}
node_save($entity);