the not throwing task group's with function also does not throw

Author: ktoso

stdlib/public/Concurrency/DiscardingTaskGroup.swift

@@ -119,7 +119,6 @@ public func withDiscardingTaskGroup<GroupResult>(
 /// A discarding task group becomes cancelled in one of the following ways:
 ///
 /// - when ``cancelAll()`` is invoked on it,
-/// - when an error is thrown out of the `withThrowingDiscardingTaskGroup(...) { }` closure,
 /// - when the ``Task`` running this task group is cancelled.
 ///
 /// Since a `DiscardingTaskGroup` is a structured concurrency primitive, cancellation is

stdlib/public/Concurrency/TaskGroup.swift

@@ -222,7 +222,6 @@ public func withThrowingTaskGroup<ChildTaskResult, GroupResult>(
 /// A task group becomes cancelled in one of the following ways:
 ///
 /// - when ``cancelAll()`` is invoked on it,
-/// - when an error is thrown out of the `withTaskGroup(...) { }` closure,
 /// - when the ``Task`` running this task group is cancelled.
 ///
 /// Since a `TaskGroup` is a structured concurrency primitive, cancellation is