Only remove focus if element is a link.
Only remove focus if element is a link.

This fixes the previous change that would remove focus from
ANYTHING after being selected via linkHintsMode. That caused
problems if you used link hints to select a form field.

justalittlenoob/vimium,poacher2k/vimium,VPashkov/vimium,cyrixhero/vimium,smblott-github/vimium,philc/vimium,zhangmin510/vimium,Lw-Cui/vimium,VPashkov/vimium,Lw-Cui/vimium,decaffeinate-examples/vimium,PickRelated/vimium,elegantwww/vimium,douglas-larocca/vimium,smblott-github/vimium,borgified/vimium,tuchangwei/vimium,gdh1995/vimium,zhangmin510/vimium,smblott-github/vimium-smblott,justalittlenoob/vimium,bkudria/vimium,willsALMANJ/vimium,decaffeinate-examples/vimium,Lw-Cui/vimium,smblott-github/vimium,mrmr1993/vimium,tuchangwei/vimium,bkudria/vimium,wildeyes/vimium,PickRelated/vimium,hhsue/vimium,hhsue/vimium,elegantwww/vimium,Robinson10240/vimium,jb55/vimium-plus,borgified/vimium,Robinson10240/vimium,philc/vimium,VPashkov/vimium,poacher2k/vimium,crazypenguincode/vimium,bkudria/vimium,elderbas/vimium,jb55/vimium-plus,borgified/vimium,mrmr1993/vimium,cyrixhero/vimium,dimatter/vimium,wildeyes/vimium,gdh1995/vimium,elderbas/vimium,decaffeinate-examples/vimium,poacher2k/vimium,cyrixhero/vimium,willsALMANJ/vimium,llimllib/vimium,PickRelated/vimium,shaung/vimium,justalittlenoob/vimium,zhangmin510/vimium,wildeyes/vimium,hhsue/vimium,PrestanceDesign/vimium,dimatter/vimium,willsALMANJ/vimium,gdh1995/vimium,crazypenguincode/vimium,douglas-larocca/vimium,mrmr1993/vimium,PrestanceDesign/vimium,PrestanceDesign/vimium,smblott-github/vimium-smblott,Robinson10240/vimium,csmalin/vimium,elderbas/vimium,Aleroniponi/vimium,philc/vimium,csmalin/vimium,dimatter/vimium,Aleroniponi/vimium,tuchangwei/vimium,Aleroniponi/vimium,csmalin/vimium,elegantwww/vimium,douglas-larocca/vimium