removes unused +kist/+kest from %jael types
:: lost information that the old life had.
::
++ hand @uvH :: 128-bit hash
- ++ kest :: public key-set
- $: enc=pass :: encryption key
- aut=pass :: authentication key
- sut=@ud :: crypto-suite version
- == ::
- ++ kist (map life kest) :: public key history
++ mind {who/ship lyf/life} :: key identifier
++ name (pair @ta @t) :: ascii / unicode
++ oath @ :: signature
