Strip tags
Removes tags and attributes from markup as defined.
Options
- allowed_tags
<type: string>: A string of allowed tags as formatted for strip_tags. - remove_attr
<type: array>: A list of attributes that should be removed. 
Usage
processors:
  -
    processor: strip_tags
    allowed_tags: <h1><h2><h3>
    remove_attr:
      - id
      - class
      - style