[cleanup] removes extra cdn in index.html
[cleanup] removes extra cdn in index.html

marksanghoonkim/nimblecode,rickyeh/nimblecode,nimblecode/nimblecode,marksanghoonkim/nimblecode,rickyeh/nimblecode,rickyeh/nimblecode,marksanghoonkim/nimblecode,jordanallen98/nimblecode,LinearAtWorst/cogile,rickyeh/nimblecode,jordanallen98/nimblecode,nimblecode/nimblecode,nimblecode/nimblecode,marksanghoonkim/nimblecode,nimblecode/nimblecode,LinearAtWorst/cogile