message: Codemod away ::{self};
  Summary:
  X-link:
  Previous codemod left some crust. This commit cleans up useless uses to use less uses.
diff: -use clap;
  use clap::Arg;
  -use portus;
  -use slog;
  -use std;
  -use time;
  use {
  Alg, GenericCongAvoidAlg, GenericCongAvoidConfigReport, GenericCongAvoidConfigSS,
  DEFAULT_SS_THRESH,
  