CleanDeps() svn_deps_vars param is obsolete.

This was related to the DEPS_OVERRIDES handling that was removed in
r270695 (and was never used in this method anyhow).

R=dalecurtis@chromium.org

Review URL: https://codereview.chromium.org/291483002

git-svn-id: http://src.chromium.org/svn/trunk/tools/deps2git@270777 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
1 file changed