Deprecate V1 Weights (#13699)

* Remove deprecated pallet calls

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Deprecate old weight

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update Runtime API

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix tests

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Delete shitty code

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Fix doctest

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update frame/alliance/src/lib.rs

Co-authored-by: Koute <koute@users.noreply.github.com>

* Add doc

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* contracts: Use u64 as old weight type

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update frame/contracts/src/lib.rs

Co-authored-by: Alexander Theißen <alex.theissen@me.com>

---------

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Koute <koute@users.noreply.github.com>
Co-authored-by: Alexander Theißen <alex.theissen@me.com>
Co-authored-by: parity-processbot <>

substrate/primitives/weights/src/lib.rs

@@ -18,6 +18,9 @@
 //! # Primitives for transaction weighting.
 
 #![cfg_attr(not(feature = "std"), no_std)]
+// TODO remove once `OldWeight` is gone. I dont know why this is needed, maybe by one of the macros
+// of `OldWeight`.
+#![allow(deprecated)]
 
 extern crate self as sp_weights;
 
@@ -68,6 +71,7 @@ pub mod constants {
 )]
 #[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
 #[cfg_attr(feature = "std", serde(transparent))]
+#[deprecated(note = "Will be removed soon; use `Weight` instead.")]
 pub struct OldWeight(pub u64);
 
 /// The weight of database operations that the runtime can invoke.