LWG3871 Adjust note about terminate

Fixes NB CA 076 (C++23 CD).

Author: burblebee

source/lib-intro.tex

@@ -1471,15 +1471,6 @@
 the freestanding items\iref{freestanding.item} declared in the header.
 \indextext{implementation!freestanding|)}%
 
-\pnum
-\begin{note}
-Throwing a standard library provided exception
-is not observably different from \tcode{terminate()}
-if the implementation does not
-unwind the stack during exception handling\iref{except.handle} and
-the user's program contains no catch blocks.
-\end{note}
-
 \rSec2[using]{Using the library}
 
 \rSec3[using.overview]{Overview}