Disable source maps in prod
Disable source maps in prod

I couldn't get them to work in Chrome. JavaScript files can be found once directory
is added to workspaces. But breakpoints don't work and CSS doesn't map at all.

uktrade/data-hub-fe-beta2,uktrade/data-hub-fe-beta2,uktrade/data-hub-frontend,uktrade/data-hub-frontend,uktrade/data-hub-frontend