[stable2409] Backport #5311 (#6805)

Backport #5311 into `stable2409` from Doordashcon.

See the
[documentation](https://github.com/paritytech/polkadot-sdk/blob/master/docs/BACKPORT.md)
on how to use this bot.

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Co-authored-by: Doordashcon <jesse.chejieh@gmail.com>

Author: paritytech-cmd-bot-polkadot-sdk[bot]

prdoc/pr_5311.prdoc

@@ -0,0 +1,16 @@
+title: No-op Impl Polling Trait
+
+doc:
+  - audience: Runtime Dev
+    description: |
+      Provide a NoOp implementation of the Polling trait for unit where the trait is defined and skiping benchmarks that necessitate it's definition.
+
+crates:
+  - name: pallet-core-fellowship
+    bump: minor
+  - name: pallet-ranked-collective
+    bump: minor
+  - name: pallet-salary
+    bump: minor
+  - name: frame-support
+    bump: minor

substrate/frame/core-fellowship/src/tests/integration.rs

@@ -21,15 +21,15 @@ use frame_support::{
 	assert_noop, assert_ok, derive_impl, hypothetically, ord_parameter_types,
 	pallet_prelude::Weight,
 	parameter_types,
-	traits::{ConstU16, EitherOf, IsInVec, MapSuccess, PollStatus, Polling, TryMapSuccess},
+	traits::{ConstU16, EitherOf, IsInVec, MapSuccess, NoOpPoll, TryMapSuccess},
 };
 use frame_system::EnsureSignedBy;
-use pallet_ranked_collective::{EnsureRanked, Geometric, Rank, TallyOf, Votes};
+use pallet_ranked_collective::{EnsureRanked, Geometric, Rank};
 use sp_core::{ConstU32, Get};
 use sp_runtime::{
 	bounded_vec,
 	traits::{Convert, ReduceBy, ReplaceWithDefault, TryMorphInto},
-	BuildStorage, DispatchError,
+	BuildStorage,
 };
 type Class = Rank;
 
@@ -83,45 +83,6 @@ impl Config for Test {
 	type MaxRank = ConstU32<9>;
 }
 
-pub struct TestPolls;
-impl Polling<TallyOf<Test>> for TestPolls {
-	type Index = u8;
-	type Votes = Votes;
-	type Moment = u64;
-	type Class = Class;
-
-	fn classes() -> Vec<Self::Class> {
-		unimplemented!()
-	}
-	fn as_ongoing(_: u8) -> Option<(TallyOf<Test>, Self::Class)> {
-		unimplemented!()
-	}
-	fn access_poll<R>(
-		_: Self::Index,
-		_: impl FnOnce(PollStatus<&mut TallyOf<Test>, Self::Moment, Self::Class>) -> R,
-	) -> R {
-		unimplemented!()
-	}
-	fn try_access_poll<R>(
-		_: Self::Index,
-		_: impl FnOnce(
-			PollStatus<&mut TallyOf<Test>, Self::Moment, Self::Class>,
-		) -> Result<R, DispatchError>,
-	) -> Result<R, DispatchError> {
-		unimplemented!()
-	}
-
-	#[cfg(feature = "runtime-benchmarks")]
-	fn create_ongoing(_: Self::Class) -> Result<Self::Index, ()> {
-		unimplemented!()
-	}
-
-	#[cfg(feature = "runtime-benchmarks")]
-	fn end_ongoing(_: Self::Index, _: bool) -> Result<(), ()> {
-		unimplemented!()
-	}
-}
-
 /// Convert the tally class into the minimum rank required to vote on the poll.
 /// MinRank(Class) = Class - Delta
 pub struct MinRankOfClass<Delta>(PhantomData<Delta>);
@@ -154,7 +115,7 @@ impl pallet_ranked_collective::Config for Test {
 		// Members can exchange up to the rank of 2 below them.
 		MapSuccess<EnsureRanked<Test, (), 2>, ReduceBy<ConstU16<2>>>,
 	>;
-	type Polls = TestPolls;
+	type Polls = NoOpPoll;
 	type MinRankOfClass = MinRankOfClass<MinRankOfClassDelta>;
 	type MemberSwappedHandler = CoreFellowship;
 	type VoteWeight = Geometric;