minor: remove maven-failsafe-plugin from linkcheck excludes, since link was fixed
minor: remove maven-failsafe-plugin from linkcheck excludes, since link was fixed

jochenvdv/checkstyle,romani/checkstyle,liscju/checkstyle,checkstyle/checkstyle,checkstyle/checkstyle,sabaka/checkstyle,jochenvdv/checkstyle,izishared/checkstyle,rnveach/checkstyle,bansalayush/checkstyle,MEZk/checkstyle,bansalayush/checkstyle,jochenvdv/checkstyle,vboerchers/checkstyle,MEZk/checkstyle,Bhavik3/checkstyle,izishared/checkstyle,sharang108/checkstyle,rnveach/checkstyle,sharang108/checkstyle,AkshitaKukreja30/checkstyle,sabaka/checkstyle,romani/checkstyle,rnveach/checkstyle,liscju/checkstyle,nikhilgupta23/checkstyle,sirdis/checkstyle,izishared/checkstyle,sirdis/checkstyle,romani/checkstyle,nikhilgupta23/checkstyle,MEZk/checkstyle,baratali/checkstyle,HubSpot/checkstyle,sharang108/checkstyle,vboerchers/checkstyle,jasonchaffee/checkstyle,sirdis/checkstyle,AkshitaKukreja30/checkstyle,romani/checkstyle,jonmbake/checkstyle,baratali/checkstyle,jonmbake/checkstyle,rnveach/checkstyle,HubSpot/checkstyle,ilanKeshet/checkstyle,checkstyle/checkstyle,baratali/checkstyle,checkstyle/checkstyle,Bhavik3/checkstyle,jasonchaffee/checkstyle,Bhavik3/checkstyle,rnveach/checkstyle,ilanKeshet/checkstyle,liscju/checkstyle,ilanKeshet/checkstyle,sabaka/checkstyle,checkstyle/checkstyle,rnveach/checkstyle,vboerchers/checkstyle,bansalayush/checkstyle,HubSpot/checkstyle,romani/checkstyle,romani/checkstyle,nikhilgupta23/checkstyle,jonmbake/checkstyle,AkshitaKukreja30/checkstyle,checkstyle/checkstyle,jasonchaffee/checkstyle