[logback-dev] [qos-ch/logback] f728b4: remove redundant impls

[Ceki Gulcu]

  Branch: refs/heads/master
  Home:   https://github.com/qos-ch/logback
  Commit: f728b475bd3076e220471a66c2aebd1a661e0f9d
      https://github.com/qos-ch/logback/commit/f728b475bd3076e220471a66c2aebd1a661e0f9d
  Author: Ceki Gulcu <ceki at qos.ch>
  Date:   2021-07-27 (Tue, 27 Jul 2021)

  Changed paths:
    M logback-core/src/main/java/ch/qos/logback/core/model/AppenderModel.java
    M logback-core/src/main/java/ch/qos/logback/core/model/AppenderRefModel.java

  Log Message:
  -----------
  remove redundant impls

Signed-off-by: Ceki Gulcu <ceki at qos.ch>