<!--- Verify first that your feature was not already discussed on GitHub -->
<!--- Complete *all* sections as described, this form is processed automatically -->

##### SUMMARY
When I read the `copy` documentation, I couldn't work out what it meant.  Unfortunately, this meant it sounded like it might be a weird sex joke.

It doesn't sound like a big problem, but in an ideal world, I think we should prefer to avoid weird sex jokes in an alias for a parameter called `force`.

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
copy

##### ADDITIONAL INFORMATION
Issue search tells me "thirsty" was added as an option to the `get_url` module.  In that context, it is appropriate.  But in the context of the `copy` module, it does not make sense, because `copy` only works in the upload direction.

The first three pages of Google Search results (Ansible thirsty) show people using "thirsty" for downloads only, not uploads.  Similarly for GitHub code search (copy thirsty language:YAML).
creates:
    description:
      - A filename, when it already exists, this step will not be run.
    type: path
  removes:
    description:
      - A filename, when it does not exist, this step will not be run.
    type: path
  status_code:
    description:
      - A list of valid, numeric, HTTP status codes that signifies success of the request.
    type: list
    default: [ 200 ]
  timeout:
    description:
      - The socket level timeout in seconds
    type: int
    default: 30
  headers:
    description:
        - Add custom HTTP headers to a request in the format of a YAML hash. As
          of C(2.3) supplying C(Content-Type) here will override the header
          generated by supplying C(json) or C(form-urlencoded) for I(body_format).
    type: dict
    version_added: '2.1'
  validate_certs:
    description:
      - If C(no), SSL certificates will not be validated.
      - This should only set to C(no) used on personally controlled sites using self-signed certificates.
      - Prior to 1.9.2 the code defaulted to C(no).