cleanup duplicated items in config and fix redis plugin

[kalmyk]

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)
  FIX

• What is the current behavior? (You can also link to an open issue here)

1. configured item is overridden by another one
2. messages is stuck to send to the redis

• What is the new behavior (if this is a feature change)?

1. config is clean
2. candle message is sent to redis more then once

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions. If you feel this is very a important issue please reach out the maintainer of this project directly via e-mail: gekko at mvr dot me.