[PATCH v2 3/3] fields: Simplify HashField

[Andy Doan]

On 03/15/2016 06:27 AM, Stephen Finucane wrote:
> The HashField was written to be configurable. It supports customisable
> hash types and provides fallbacks for a missing 'hashlib', which was
> only introduced in Python 2.5. However, the customisable hash types
> are not used anywhere (the actual hashing is hardcoded to use 'sha1')
> and Python 2.7/3.3+ are the only versions of Python currently
> supported. As a result, it is possible to remove much of the code
> without losing any real functionality. Do this.
>
> Signed-off-by: Stephen Finucane <stephen.finucane at intel.com>

Reviewed-by: Andy Doan <andy.doan at linaro.org>