Delete references to require.js.
Delete references to require.js.

This project uses commonjs modules bundled with browserify, so
references to require.js in documentation and terms are out of date.

18F/regulations-site,18F/regulations-site,tadhg-ohiggins/regulations-site,eregs/regulations-site,tadhg-ohiggins/regulations-site,tadhg-ohiggins/regulations-site,18F/regulations-site,eregs/regulations-site,tadhg-ohiggins/regulations-site,18F/regulations-site,eregs/regulations-site,eregs/regulations-site