Revert "Added bitly config vars to heroku-tweet.sh"
Revert "Added bitly config vars to heroku-tweet.sh"

This reverts commit 66981c7ecc3c4a65993579faa4554827e3a7c8d3.

tenforwardconsulting/crantastic,tenforwardconsulting/crantastic,tenforwardconsulting/crantastic,tenforwardconsulting/crantastic,hadley/crantastic,hadley/crantastic,hadley/crantastic