Fix clippy

pallets/collective/src/lib.rs

@@ -951,6 +951,7 @@ impl<T: Config<I>, I: 'static> Pallet<T, I> {
     ///
     /// If not `approved`:
     /// - one event deposited.
+    ///
     /// Two removals, one mutation.
     /// Computation and i/o `O(P)` where:
     /// - `P` is number of active proposals