[BUGFIX] Link._site is a site object and is not callable
[BUGFIX] Link._site is a site object and is not callable

Change-Id: I50f2d1f3b151919b1a3c4dabaa75d5a11b64966e

TridevGuha/pywikibot-core,valhallasw/pywikibot-core,Darkdadaah/pywikibot-core,h4ck3rm1k3/pywikibot-core,wikimedia/pywikibot-core,Darkdadaah/pywikibot-core,xZise/pywikibot-core,jayvdb/pywikibot-core,emijrp/pywikibot-core,wikimedia/pywikibot-core,hasteur/g13bot_tools_new,magul/pywikibot-core,jayvdb/pywikibot-core,VcamX/pywikibot-core,happy5214/pywikibot-core,npdoty/pywikibot,magul/pywikibot-core,npdoty/pywikibot,h4ck3rm1k3/pywikibot-core,trishnaguha/pywikibot-core,hasteur/g13bot_tools_new,happy5214/pywikibot-core,hasteur/g13bot_tools_new,icyflame/batman,PersianWikipedia/pywikibot-core,darthbhyrava/pywikibot-local,smalyshev/pywikibot-core