chromeos: Update static about:os-credits file.
chromeos: Update static about:os-credits file.

The file size actually shrank (to a bit shy of 4 MB) for
once, due to a bunch of packages being removed!

BUG=none
TEST=tedious manual inspection of my script's output

Review URL: http://codereview.chromium.org/6732025

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@79474 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser