Moves Block to frame_system instead of construct_runtime and removes Header and BlockNumber (#14437)

* Initial setup

* Adds node block

* Uses UncheckedExtrinsic and removes Where section

* Updates frame_system to use Block

* Adds deprecation warning

* Fixes pallet-timestamp

* Removes Header and BlockNumber

* Addresses review comments

* Addresses review comments

* Adds comment about compiler bug

* Removes where clause

* Refactors code

* Fixes errors in cargo check

* Fixes errors in cargo check

* Fixes warnings in cargo check

* Formatting

* Fixes construct_runtime tests

* Uses import instead of full path for BlockNumber

* Uses import instead of full path for Header

* Formatting

* Fixes construct_runtime tests

* Fixes imports in benchmarks

* Formatting

* Fixes construct_runtime tests

* Formatting

* Minor updates

* Fixes construct_runtime ui tests

* Fixes construct_runtime ui tests with 1.70

* Fixes docs

* Fixes docs

* Adds u128 mock block type

* Fixes split example

* fixes for cumulus

* ".git/.scripts/commands/fmt/fmt.sh"

* Updates new tests

* Fixes fully-qualified path in few places

* Formatting

* Update frame/examples/default-config/src/lib.rs

Co-authored-by: Juan <juangirini@gmail.com>

* Update frame/support/procedural/src/construct_runtime/mod.rs

Co-authored-by: Juan <juangirini@gmail.com>

* ".git/.scripts/commands/fmt/fmt.sh"

* Addresses some review comments

* Fixes build

* ".git/.scripts/commands/fmt/fmt.sh"

* Update frame/democracy/src/lib.rs

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update frame/democracy/src/lib.rs

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update frame/support/procedural/src/construct_runtime/mod.rs

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Update frame/support/procedural/src/construct_runtime/mod.rs

Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

* Addresses review comments

* Updates trait bounds

* Minor fix

* ".git/.scripts/commands/fmt/fmt.sh"

* Removes unnecessary bound

* ".git/.scripts/commands/fmt/fmt.sh"

* Updates test

* Fixes build

* Adds a bound for header

* ".git/.scripts/commands/fmt/fmt.sh"

* Removes where block

* Minor fix

* Minor fix

* Fixes tests

* ".git/.scripts/commands/update-ui/update-ui.sh" 1.70

* Updates test

* Update primitives/runtime/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Update primitives/runtime/src/traits.rs

Co-authored-by: Bastian Köcher <git@kchr.de>

* Updates doc

* Updates doc

---------

Co-authored-by: command-bot <>
Co-authored-by: Juan <juangirini@gmail.com>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Bastian Köcher <git@kchr.de>

substrate/frame/election-provider-multi-phase/src/unsigned.rs

@@ -29,7 +29,7 @@ use frame_support::{
 	traits::{DefensiveResult, Get},
 	BoundedVec,
 };
-use frame_system::offchain::SubmitTransaction;
+use frame_system::{offchain::SubmitTransaction, pallet_prelude::BlockNumberFor};
 use scale_info::TypeInfo;
 use sp_npos_elections::{
 	assignment_ratio_to_staked_normalized, assignment_staked_to_ratio_normalized, ElectionResult,
@@ -298,12 +298,12 @@ impl<T: Config> Pallet<T> {
 	///
 	/// Returns `Ok(())` if offchain worker limit is respected, `Err(reason)` otherwise. If `Ok()`
 	/// is returned, `now` is written in storage and will be used in further calls as the baseline.
-	pub fn ensure_offchain_repeat_frequency(now: T::BlockNumber) -> Result<(), MinerError> {
+	pub fn ensure_offchain_repeat_frequency(now: BlockNumberFor<T>) -> Result<(), MinerError> {
 		let threshold = T::OffchainRepeat::get();
 		let last_block = StorageValueRef::persistent(OFFCHAIN_LAST_BLOCK);
 
 		let mutate_stat = last_block.mutate::<_, &'static str, _>(
-			|maybe_head: Result<Option<T::BlockNumber>, _>| {
+			|maybe_head: Result<Option<BlockNumberFor<T>>, _>| {
 				match maybe_head {
 					Ok(Some(head)) if now < head => Err("fork."),
 					Ok(Some(head)) if now >= head && now <= head + threshold =>