<issue_start><issue_comment>Title: Remove dependency on terra-app-delegate in terra-clinical-application
username_0: # Feature Request

## Description
<!-- A clear and concise description of what the feature is. -->
We are using terra-app-delegate in terra-clinical-application, and it needs to be removed since it is deprecated. [Here](https://github.com/cerner/terra-clinical/blob/master/packages/terra-clinical-application/package.json#L30) is where we are pulling it in.
## Additional Context / Screenshots
<!-- Add any other context about the feature here. If applicable, add screenshots to help explain. -->

## @ Mentions
<!-- @ Mention anyone on the terra team that you have been working with so far. --><issue_closed>
<issue_comment>username_1: terra-clinical-application was deprecated in https://github.com/cerner/terra-clinical/issues/488 on July 16, 2019. This change is no longer needed.