[7.4 rc fix] [doc] remove configure Redis to use sockets
Created by: bbodenmiller
This was completed in the 7.2 to 7.3 guide and is not needed again in 7.3 to 7.4 guide.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Created by: bbodenmiller
This was completed in the 7.2 to 7.3 guide and is not needed again in 7.3 to 7.4 guide.