Fix duplicated rel attribute (#2549)
Fix duplicated rel attribute (#2549)

According to the HTML 5.1 recommendation "The rel attribute on a
and area elements controls what kinds of links the elements create.
The attribute’s value must be a set of space-separated tokens."
(source https://www.w3.org/TR/html51/links.html#links-created-by-a-and-area-elements)
tboerger/gitea,go-gitea/gitea,kjellkvinge/gitea,Bwko/gitea,sapk-fork/gitea,rems4e/gitea,lunny/gitea,spacetourist/gitea,kjellkvinge/gitea,kjellkvinge/gitea,dnmgns/gitea,mjwwit/gitea,cumgun/gitea,lafriks/gitea,kubatyszko/gitea,Morlinest/gitea,tboerger/gitea,cez81/gitea,geek1011/gitea,cumgun/gitea,dl5rcw/gitea,lunny/gitea,dnmgns/gitea,typeless/gitea,ethantkoenig/gitea,andreynering/gitea,CaeruleusAqua/gitea,CaeruleusAqua/gitea,ethantkoenig/gogs,kubatyszko/gitea,vdbt/gitea,andreynering/gitea,cez81/gitea,go-gitea/gitea,typeless/gitea,typeless/gitea,Bwko/gitea,typeless/gitea,sapk-fork/gitea,Morlinest/gitea,lafriks/gitea,cez81/gitea,ethantkoenig/gogs,vCaesar/gitea,tboerger/gitea,mjwwit/gitea,sapk-fork/gitea,sapk-fork/gitea,kubatyszko/gitea,go-gitea/gitea,ethantkoenig/gitea,geek1011/gitea,rems4e/gitea,vCaesar/gitea,dnmgns/gitea,Bwko/gitea,lafriks/gitea,lunny/gitea,spacetourist/gitea,vdbt/gitea