Kythe website: fix canonical link to use http instead of https
Kythe website: fix canonical link to use http instead of https

Reviewers: fromberger, zarko

Reviewed By: zarko

Differential Revision: https://phabricator-dot-kythe-repo.appspot.com/D199

Acidburn0zzz/kythe,bowlofstew/kythe,benjyw/kythe,benjyw/kythe,kythe/kythe,bzz/kythe,bowlofstew/kythe,Acidburn0zzz/kythe,bowlofstew/kythe,legrosbuffle/kythe,bzz/kythe,kythe/kythe,kidaa/kythe,legrosbuffle/kythe,kidaa/kythe,legrosbuffle/kythe,benjyw/kythe,bzz/kythe,kythe/kythe,benjyw/kythe,bowlofstew/kythe,Acidburn0zzz/kythe,legrosbuffle/kythe,kythe/kythe,legrosbuffle/kythe,kythe/kythe,benjyw/kythe,bzz/kythe,benjyw/kythe,bowlofstew/kythe,legrosbuffle/kythe,legrosbuffle/kythe,bzz/kythe,bzz/kythe,bzz/kythe,benjyw/kythe,Acidburn0zzz/kythe,kidaa/kythe,bowlofstew/kythe,kythe/kythe,bzz/kythe,kidaa/kythe,bowlofstew/kythe,bowlofstew/kythe,kythe/kythe,Acidburn0zzz/kythe,Acidburn0zzz/kythe,kythe/kythe,bzz/kythe,benjyw/kythe,Acidburn0zzz/kythe,kidaa/kythe,benjyw/kythe,Acidburn0zzz/kythe,legrosbuffle/kythe,kythe/kythe,benjyw/kythe,Acidburn0zzz/kythe,kidaa/kythe,legrosbuffle/kythe,benjyw/kythe,bowlofstew/kythe,bzz/kythe,legrosbuffle/kythe,bowlofstew/kythe,kythe/kythe,kidaa/kythe,legrosbuffle/kythe,kidaa/kythe,bowlofstew/kythe,bzz/kythe,benjyw/kythe,bzz/kythe,kythe/kythe,kidaa/kythe