llnode: remove nodeinfo shortcut
llnode: remove nodeinfo shortcut

The nodeinfo command has no equivalent in mdb_v8, removing the
shortcut and leaving it under the v8 namespace.

PR-URL: https://github.com/indutny/llnode/pull/21
Reviewed-By: Fedor Indutny <e39d94bae70283f13d24c278e04952d6dad9384b@indutny.com>

hhellyer/llnode,rnchamberlain/llnode,hhellyer/llnode,rnchamberlain/llnode,rnchamberlain/llnode,rnchamberlain/llnode,hhellyer/llnode,hhellyer/llnode