Api Docs[core/int.dart]

The unsigned right shift was [implemented](dart-lang/language#478 (comment))

Closes #47227
#47227

GitOrigin-RevId: ec84d68
Change-Id: Iafc195c8df212c8f78330f6ebef230daa6a6d280
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/213560
Reviewed-by: Kevin Moore <[email protected]>
Commit-Queue: Kevin Moore <[email protected]>

Author: SushantChandla

sdk/lib/core/int.dart

@@ -112,8 +112,6 @@ abstract class int extends num {
 
   /// Bitwise unsigned right shift by [shiftAmount] bits.
   ///
-  /// NOT IMPLEMENTED YET.
-  ///
   /// The least significant [shiftAmount] bits are dropped,
   /// the remaining bits (if any) are shifted down,
   /// and zero-bits are shifted in as the new most significant bits.