Changes:
* Remove obsolete targets which are unnecessary now that this repo no longer builds git submodules in a separate build process
* Remove the need for static analysis of 'ArtifactInfo' items
* Simplify how the code signing task is configured
* Remove unused repo tasks
* Remove duplicate lists of external dependencies and packages to be produced
* Remove obsolete build definition
* Remove obsolete build script parameters
* Add VisualStudioSetupOutputPath
Follow-up to #6078
This should solve race conditions in restoring .wixproj files.
Co-authored-by: Nate McMaster <natemcmaster@users.noreply.github.com>
Co-authored-by: Justin Kotalik <jkotalik@users.noreply.github.com>