Switch node template to use AuRa (#3790)

* Stuck on service

* Make service compile

* Remove Grandpa dependency

* Update node-template/runtime/Cargo.toml

Co-Authored-By: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* Fix build

* Update crypto import

* Update node-template/src/service.rs

Co-Authored-By: André Silva <andre.beat@gmail.com>

* Update node-template/src/service.rs

Co-Authored-By: André Silva <andre.beat@gmail.com>

* Update node-template/src/service.rs

Co-Authored-By: André Silva <andre.beat@gmail.com>

* Update node-template/src/service.rs

Co-Authored-By: André Silva <andre.beat@gmail.com>

* Update node-template/runtime/src/lib.rs

Co-Authored-By: André Silva <andre.beat@gmail.com>

* Fix macro dependency

* Trying to add grandpa back

* Update node-template/src/chain_spec.rs

Co-Authored-By: André Silva <andre.beat@gmail.com>

* Update node-template/src/chain_spec.rs

Co-Authored-By: André Silva <andre.beat@gmail.com>

* Update node-template/src/chain_spec.rs

Co-Authored-By: André Silva <andre.beat@gmail.com>

* Update node-template/src/service.rs

Co-Authored-By: André Silva <andre.beat@gmail.com>

* Update node-template/src/service.rs

Co-Authored-By: André Silva <andre.beat@gmail.com>

* Unused import

* Use grandpa block import