Thread:Support/PLURAL support for some Pywikibot messages

In the following messages 'link(s)' could be replace with PLURAL:
 * Pywikibot:Solve_disambiguation-redirect-removed/en
 * Pywikibot:Solve_disambiguation-redirect-resolved/en
 * Pywikibot:Solve disambiguation-links-resolved/en
 * Pywikibot:Solve disambiguation-links-removed/en