Documentation

All that said, interpreters do naturally support certain flavors of
concurrency, as a powerful side effect of that isolation.
There's a powerful side effect of that isolation. It enables a
different approach to concurrency than you can take with async or
threads.

Remove the statement in bold.

Linked PRs

• gh-137090: Remove redundant statement in Doc/library/concurrent.interpreters.rst #137091
• [3.14] gh-137090: Remove redundant statement in Doc/library/concurrent.interpreters.rst (GH-137091) #137108