Removed master-discourse-free branch check for exporting master env vars.

Author: RishiRajSahu

config/constants/index.js

@@ -1,10 +1,6 @@
 module.exports = (() => {
   const branch = process.env.CIRCLE_BRANCH || 'dev'
 
-  if(branch === 'master-discourse-free') {
-    return require('./master')
-  }
-
   // for security reason don't let to require any arbitrary file defined in process.env
   if (['master', 'qa'].indexOf(branch) < 0) {
     return require('./dev')