[atomics.types.operations.req] Remove mention of atomic_address.

Author: jwakely

source/atomics.tex

@@ -721,8 +721,7 @@
 
 \begin{itemize}
 \item  an \textit{A} refers to one of the atomic types.
-\item a \textit{C} refers to its corresponding non-atomic type. The
-\tcode{atomic_address} atomic type corresponds to the \tcode{void*} non-atomic type.
+\item a \textit{C} refers to its corresponding non-atomic type.
 \item an \textit{M} refers to type of the other argument for arithmetic operations. For
 integral atomic types, \textit{M} is \textit{C}. For atomic address types, \textit{M} is
 \tcode{std::ptrdiff_t}.