Merge pull request #1248 from ipfs/feat/delete-openbazaar

Remove OpenBazaar case study

Author: mishmosh

docs/.vuepress/config.js

@@ -152,7 +152,6 @@ module.exports = {
                   ['/concepts/case-study-fleek', 'Fleek'],
                   ['/concepts/case-study-likecoin', 'LikeCoin'],
                   ['/concepts/case-study-morpheus', 'Morpheus.Network'],
-                  ['/concepts/case-study-openbazaar', 'OpenBazaar']
                 ]
               },
               {