cleanup <weight></weight> from docs comments (#13350)

* cleanup <weight></weight> from docs comments

* Changes to address review commnets

* Fix CI cargo test --docs

---------

Co-authored-by: parity-processbot <>

substrate/frame/scheduler/src/lib.rs

@@ -363,10 +363,6 @@ pub mod pallet {
 		}
 
 		/// Anonymously schedule a task after a delay.
-		///
-		/// # <weight>
-		/// Same as [`schedule`].
-		/// # </weight>
 		#[pallet::call_index(4)]
 		#[pallet::weight(<T as Config>::WeightInfo::schedule(T::MaxScheduledPerBlock::get()))]
 		pub fn schedule_after(
@@ -389,10 +385,6 @@ pub mod pallet {
 		}
 
 		/// Schedule a named task after a delay.
-		///
-		/// # <weight>
-		/// Same as [`schedule_named`](Self::schedule_named).
-		/// # </weight>
 		#[pallet::call_index(5)]
 		#[pallet::weight(<T as Config>::WeightInfo::schedule_named(T::MaxScheduledPerBlock::get()))]
 		pub fn schedule_named_after(