update the roadmap page

Author: mdo

docs/roadmap.md

@@ -5,12 +5,8 @@ title: Roadmap
 
 A brief—and incomplete—look at potential future Primer updates with a focus on rewriting components for simplicity and durability, as well as consolidating UI options.
 
-## v2
-- [ ] Add Hound CI for SCSS linting
-- [ ] Document the `user-content` repo somehow
-- [ ] Clarify usage of CLA in our docs
-
 ## v3
+- [ ] Document the `user-content` repo
 - [ ] Refactor alerts to reduce selectors and overrides
 - [ ] Deprecate the gradient mixin for Autoprefixer
 - [ ] Clean up the utility classes