* Changed named fields to struct variants
* Fixed errors.
* Made adjustments as per `cargo +nightly fmt`.
* Update frame/uniques/src/lib.rs
Co-authored-by: Alexander Theißen <alex.theissen@me.com>
* Removed redundant comments for structs.
* Moved frame-support to dev dependencies
Co-authored-by: Alexander Theißen <alex.theissen@me.com>