Merge branch 'jk/unused-params-final-batch'

* jk/unused-params-final-batch:
  verify-commit: simplify parameters to run_gpg_verify()
  show-branch: drop unused parameter from show_independent()
  rev-list: drop unused void pointer from finish_commit()
  remove_all_fetch_refspecs(): drop unused "remote" parameter
  receive-pack: drop unused "commands" from prepare_shallow_update()
  pack-objects: drop unused rev_info parameters
  name-rev: drop unused parameters from is_better_name()
  mktree: drop unused length parameter
  wt-status: drop unused status parameter
  read-cache: drop unused parameter from threaded load
  clone: drop dest parameter from copy_alternates()
  submodule: drop unused prefix parameter from some functions
  builtin: consistently pass cmd_* prefix to parse_options
  cmd_{read,write}_tree: rename "unused" variable that is used

builtin/submodule--helper.c

@@ -2107,8 +2107,7 @@ static int absorb_git_dirs(int argc, const char **argv, const char *prefix)
 		return 1;
 
 	for (i = 0; i < list.nr; i++)
-		absorb_git_dir_into_superproject(prefix,
-				list.entries[i]->name, flags);
+		absorb_git_dir_into_superproject(list.entries[i]->name, flags);
 
 	return 0;
 }