MISC: remove workflow permissions as dependency

## Ready State: Yes|No

This pull request is related to permissions work for PLNU and decision to remove imagex_workflow_permissions as a dependency.  

## Requirements & Dependencies

*  features

## Deployment Instructions

* Merge code.

## Usage/Test Instructions

* Ensure that after install of base imagex_installkit with imagex_workflow, that workflow permissions are not set by default for any roles.
* Visually view the changes on the homepage.