remove DEPLOY_ENVIRONMENT from vagrant config

Author: evmiguel

deploy/files/config-development.env

@@ -6,7 +6,7 @@ PGUSER=atr
 PGPASSWORD=atr
 PGHOST=localhost
 PGPORT=5432
-DEPLOY_ENVIRONMENT=dev
+ENVIRONMENT=vagrant
 IMPORT_CONFIG=/home/aria-bot/config.env
 GITHUB_OAUTH_SERVER=https://github.com
 GITHUB_GRAPHQL_SERVER=https://api.github.com