Update Task`1.xml

[JimDaly]

Summary

Describe your changes here.

Per comments in #7941 , removing remarks that say 'This method is intended for compiler use rather than for use in application code.'

At this point, the right thing for TaskAwaiter and TaskAwaiter is probably to just strike those sentence from the docs, though some extra verbiage around the distinction from Task.Wait would be welcome

[ghost]

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Issue Details

---

Summary

Describe your changes here.

Per comments in #7941 , removing remarks that say 'This method is intended for compiler use rather than for use in application code.'

At this point, the right thing for TaskAwaiter and TaskAwaiter is probably to just strike those sentence from the docs, though some extra verbiage around the distinction from Task.Wait would be welcome

Author:	JimDaly
Assignees:	-
Labels:	area-System.Threading.Tasks
Milestone:	-

[opbld33]

Docs Build status updates of commit 3f8aac4:

✅ Validation status: passed

File	Status	Preview URL	Details
xml/System.Threading.Tasks/Task`1.xml	✅Succeeded	View

For more details, please refer to the build report.

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[gewarren]

Closing in favor of #7968.