clean: Remove unused packages that were previously installed via apt and flatpak
  usage:
    spm clean -[h|Nn|Yyaf]
  options:
    -Yy: Skip confirmation and approve all cleanup
    -Nn: Skip confirmation and approve no cleanup
    -a: Requires root, skip confirmation and approve apt cleanup. Redundant when used with -Yy
    -f: Skip confirmation and approve flatpak cleanup. Redundant when used with -Yy
    -h: Print usage dialogue