Remove unneeded header comment on erudite.css, and update copyright to GPLv2 or later (after email confirmation with Matt Weibe that he was happy with that)

Change-Id: I1e7e3b789fe0ac569963fbb87112df347e683fdb
Merge "Remove unneeded header comment on erudite.css, and update copyright to GPLv2 or later (after email confirmation with Matt Weibe that he was happy with that)"