tools: remove old updateAuthors.awk script
tools: remove old updateAuthors.awk script

Using the new tools/update-authors.sh script so this is
redundant

PR-URL: https://github.com/iojs/io.js/pull/582
Reviewed-By: Ben Noordhuis <59bd0a3ff43b32849b319e645d4798d8a5d1e889@bnoordhuis.nl>

dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node,dreamllq/node