It's a fun activity to do though and sets the mood for the season, waxing your board and cleaning up those edges right before the first day. But my friends, after the last day, will iron on an extra thick coat of wax on their base but won't scrape it. Just iron it on, cool and then store it in their case for the off season. Right before the first day they will take it out and then scrape scrape scrape that thick layer of wax off and with a little buff they're ready.
I do the same thing with putting on a thick layer of wax without scraping but when the season starts I scrape then brass brush the remaining wax off and put on a fresh coat.
I don't think it matters though. Just think about all those boards that go unsold and spend months and months with the factory wax on it. Even after all that time you can take it out and ride as is.