Move client consensus parts out of primitives and into client/consensus/api (#9319)

* moved client code out of primitives

* bump ci

* Fixup from merge.

* Removed unused deps thanks to review feedback

* Removing unneeded deps

* updating lock file

* note about rustfmt

* fixed typo to bump ci

* Move lonely CacheKeyId to parent

* cargo fmt

* updating import style

* Update docs/STYLE_GUIDE.md

Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>

Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>

substrate/docs/STYLE_GUIDE.md

@@ -2,6 +2,9 @@
 title: Style Guide for Rust in Substrate
 ---
 
+Where possible these styles are enforced by settings in `rustfmt.toml` so if you run `cargo fmt` 
+then you will adhere to most of these style guidelines automatically.
+
 # Formatting
 
 -   Indent using tabs.