[support.start.term] Remove note that is not justified by normative

zygoloid · zygoloid · commit 132326619d23 · 2017-09-14T14:00:40.000-07:00
wording.

Fixes NB JP 7 (C++17 DIS)
diff --git a/source/support.tex b/source/support.tex
@@ -1789,9 +1789,6 @@
 of objects with thread storage duration.
 \end{note}
 After calling registered functions, \tcode{quick_exit} shall call \tcode{_Exit(status)}.
-\begin{note}
-The standard file buffers are not flushed.
-\end{note}
 
 \pnum
 \remarks
