[expr.prim.req.nested] Remove incorrect (out of date) note.

Author: zygoloid

source/expressions.tex

@@ -1835,14 +1835,6 @@
 \tcode{D<T>} is satisfied if \tcode{sizeof(decltype (+t)) == 1}~(\ref{temp.constr.atomic}).
 \end{example}
 
-%%% FIXME: Remove this note; it's not correct any more.
-\pnum
-\begin{note}
-Normalization of constraints appends a separate constraint for each
-\grammarterm{nested-requirement} within a \grammarterm{requires-expression}
-for the purpose of determining partial ordering (\ref{temp.constr.order}).
-\end{note}
-
 \pnum
 A local parameter shall only appear as an unevaluated operand 
 (Clause~\ref{expr}) within the \grammarterm{constraint-expression}.