McVee...I reiterated every time I mentioned weapons. They weren’t guaranteed. We were asked to tell the public what we wanted to do. Not what was done. One ended up in Love & War. The others didn’t make the quality cut. Valves opinions on the map [cp_snowplow] was that it was too complex for new players and was removed. But the final map is available publicly. Just not on official Valve servers.
From the director and head animator McVee's blog. I have friends who worked on this update so I'm going to put all the goddamn ducks I can stuff into my pockets to help them out and put money in their pockets. But for those who don't and wanted more, here's an explanation as to what happened to cp_snowplow as well as any chance of new weapons.