* remove cluster route and model boundary route mixins
* add copyright header
* remove old unit test
* change replication/application route
* don't use cluster route in replication
* why have a base class at all?
* test tweaks
* remove afterModel redirect in replication
* refactor targetRouteName to use derived state
* Update route class name on replication-dr-promote.js
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Co-authored-by: Matthew Irish <39469+meirish@users.noreply.github.com>
Co-authored-by: claire bontempo <68122737+hellobontempo@users.noreply.github.com>