[big refactor] Remove crate aliasing. (#4395)

* Rename: Phase 1.

* Unify codec.

* Fixing: Phase 2

* Fixing: Phase 3.

* Fixing: Phase 4.

* Fixing: Phase 5.

* Fixing: Phase 6.

* Fixing: Phase 7.

* Fixing: Phase 8. Tests

* Fixing: Phase 9. Tests!!!

* Fixing: Phase 10. Moar tests!

* Finally done!

* More fixes.

* Rename primitives:: to sp_core::

* Apply renames in finality-grandpa.

* Fix benches.

* Fix benches 2.

* Revert node-template.

* Fix frame-system in our modules.

substrate/primitives/trie/src/node_header.rs

@@ -22,7 +22,7 @@ use sp_std::iter::once;
 
 /// A node header
 #[derive(Copy, Clone, PartialEq, Eq)]
-#[derive(primitives::RuntimeDebug)]
+#[derive(sp_core::RuntimeDebug)]
 pub(crate) enum NodeHeader {
 	Null,
 	Branch(bool, usize),