Clean up logic that detects valid architectures.
Clean up logic that detects valid architectures.

gabriel-samfira/juju,ericsnowcurrently/juju,alesstimec/juju,reedobrien/juju,dimitern/juju,marcmolla/juju,waigani/juju,AdamIsrael/juju,mjs/juju,ericsnowcurrently/juju,reedobrien/juju,mikemccracken/juju,frankban/juju,gabriel-samfira/juju,alesstimec/juju,marcmolla/juju,frankban/juju,bac/juju,howbazaar/juju,macgreagoir/juju,howbazaar/juju,anastasiamac/juju,perrito666/juju,macgreagoir/juju,marcmolla/juju,kat-co/juju,perrito666/juju,alesstimec/juju,macgreagoir/juju,waigani/juju,bz2/juju,waigani/juju,frankban/juju,kat-co/juju,reedobrien/juju,kat-co/juju,mjs/juju,bz2/juju,axw/juju,mikemccracken/juju,macgreagoir/juju,axw/juju,mjs/juju,dimitern/juju,mikemccracken/juju,bz2/juju,anastasiamac/juju,perrito666/juju,bac/juju,gabriel-samfira/juju,howbazaar/juju,ericsnowcurrently/juju,reedobrien/juju,bac/juju,alesstimec/juju,marcmolla/juju,axw/juju,bz2/juju,dimitern/juju,gabriel-samfira/juju,anastasiamac/juju,ericsnowcurrently/juju,frankban/juju,mjs/juju,bac/juju,alesstimec/juju,howbazaar/juju,mikemccracken/juju,AdamIsrael/juju,AdamIsrael/juju,kat-co/juju,reedobrien/juju,axw/juju,bz2/juju,dimitern/juju,axw/juju,howbazaar/juju,mjs/juju,perrito666/juju,anastasiamac/juju,marcmolla/juju,dimitern/juju,frankban/juju,ericsnowcurrently/juju,kat-co/juju,waigani/juju,macgreagoir/juju,mjs/juju,mjs/juju,mikemccracken/juju,bac/juju,perrito666/juju,gabriel-samfira/juju,anastasiamac/juju,AdamIsrael/juju