The *CONFIG_SAAS* env var was used to enable certain features that are only useful for 3scale SaaS.

• Kinesis integration (saas analytics)
• Redshift integration (saas analytics)
• statsd (metrics)
• experiment (library to test refactors)

It has been long time since those features where disabled in SaaS deployments.

Removing unused code for maintainability

Other removed env vars related to analytics:

• *CONFIG_CAN_CREATE_EVENT_BUCKETS*
• *CONFIG_STATS_BUCKET_SIZE*
• *CONFIG_KINESIS_STREAM_NAME*
• *CONFIG_KINESIS_REGION*
• *CONFIG_AWS_ACCESS_KEY_ID*
• *CONFIG_AWS_SECRET_ACCESS_KEY*
• *CONFIG_REDSHIFT_HOST*
• *CONFIG_REDSHIFT_PORT*
• *CONFIG_REDSHIFT_DBNAME*
• *CONFIG_REDSHIFT_USER*
• *CONFIG_REDSHIFT_PASSWORD*