[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/client/executor/src/error.rs

@@ -16,7 +16,7 @@
 
 //! Rust executor possible errors.
 
-use serializer;
+use sp_serializer;
 use wasmi;
 #[cfg(feature = "wasmtime")]
 use wasmtime_jit::{ActionError, SetupError};
@@ -28,7 +28,7 @@ pub type Result<T> = std::result::Result<T, Error>;
 #[derive(Debug, derive_more::Display, derive_more::From)]
 pub enum Error {
 	/// Unserializable Data
-	InvalidData(serializer::Error),
+	InvalidData(sp_serializer::Error),
 	/// Trap occured during execution
 	Trap(wasmi::Trap),
 	/// Wasmi loading/instantiating error