Create sp-weights crate to store weight primitives (#12219)

* Create sp-weights crate to store weight primitives

* Fix templates

* Fix templates

* Fixes

* Fixes

* cargo fmt

* Fixes

* Fixes

* Use deprecated type alias instead of deprecated unit types

* Use deprecated subtraits instead of deprecated hollow new traits

* Fixes

* Allow deprecation in macro expansion

* Add missing where clause during call macro expansion

* cargo fmt

* Fixes

* cargo fmt

* Fixes

* Fixes

* Fixes

* Fixes

* Move FRAME-specific weight files back to frame_support

* Fixes

* Update frame/support/src/dispatch.rs

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

* Update frame/support/src/dispatch.rs

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

* Update frame/support/src/dispatch.rs

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

* Add missing header

* Rewrite module docs

* Fixes

* Fixes

* Fixes

* Fixes

* cargo fmt

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

substrate/frame/transaction-payment/asset-tx-payment/src/lib.rs

@@ -39,7 +39,7 @@ use sp_std::prelude::*;
 
 use codec::{Decode, Encode};
 use frame_support::{
-	dispatch::DispatchResult,
+	dispatch::{DispatchInfo, DispatchResult, PostDispatchInfo},
 	traits::{
 		tokens::{
 			fungibles::{Balanced, CreditOf, Inspect},
@@ -47,7 +47,6 @@ use frame_support::{
 		},
 		IsType,
 	},
-	weights::{DispatchInfo, PostDispatchInfo},
 	DefaultNoBound,
 };
 use pallet_transaction_payment::OnChargeTransaction;