* Remove legacy provider files
* Removing index files to make file re-org easier
* Move manage-clients.component and associated API invocation to AC
* Move add-existing-organization-dialog.component to AC
* Move manage-client-name-dialog.component and associated API call to AC
* Move misc clients files to AC
* Move create-client-dialog.component and associated API call to AC
* Move manage-client-subscription-dialog.component to AC
* Update provider-layout.component
* Cleanup
* Fix linting