Revert "added index.test.js in hangman"
Revert "added index.test.js in hangman"

This reverts commit 7bd23a48a056815cb77a93bff9a99588e611721f.

tsg-ut/slackbot,tsg-ut/slackbot,tsg-ut/slackbot,tsg-ut/slackbot,tsg-ut/slackbot,tsg-ut/slackbot