.node-gallery-form .js-form-item-field-document-type-0-target-id{
  display: none;
}

.node-gallery-edit-form .js-form-item-field-document-type-0-target-id{
  display: none;
}
.node-video-edit-form .js-form-item-field-document-type-0-target-id{
  display: none;
}

.node-video-form .js-form-item-field-document-type-0-target-id{
  display: none;
}