Kill off unnecessary (and occasionally incorrect) docs.
Kill off unnecessary (and occasionally incorrect) docs.

The README file is more authoritative at this point, and easier to get
to too.

joyent/ursa,mansona/ursa,darrenmce/ursa,mansona/ursa,IbpTeam/node-ursa,IbpTeam/node-ursa,davedoesdev/ursa,IbpTeam/node-ursa,darrenmce/ursa,joyent/ursa,darrenmce/ursa,mansona/ursa,mansona/ursa,quartzjer/ursa,davedoesdev/ursa,joyent/ursa,IbpTeam/node-ursa,quartzjer/ursa,davedoesdev/ursa,joyent/ursa,quartzjer/ursa,darrenmce/ursa