[3.10] gh-92417: asyncio docs: asyncio.run() is available on all supported Python versions (GH-92419) (GH-92463)

(cherry picked from commit f4e317b)


Co-authored-by: Alex Waygood <[email protected]>

Automerge-Triggered-By: GH:serhiy-storchaka

Author: miss-islington

Doc/library/asyncio.rst

@@ -17,7 +17,6 @@
            await asyncio.sleep(1)
            print('... World!')
 
-       # Python 3.7+
        asyncio.run(main())
 
 asyncio is a library to write **concurrent** code using