Drop useless mention of 'declaration assignment'

Since the sentence already speaks of binding equations in general, there is no need to say that it also covers binding equations in functions (which is what 'declaration assignment' is supposed to have meant).

chapters/arrays.tex

@@ -53,8 +53,7 @@ \section{Array Declarations}\label{array-declarations}
 \item
   Subscripted using expressions of the appropriate type (i.e.\ \lstinline!Boolean! or the enumerated type).
 \item
-  Binding equations of the form \lstinline!x1 = x2! as well as declaration assignments of the form \lstinline!x1 := x2! are allowed for arrays independent of
-  whether the index types of dimensions are subtypes of \lstinline!Integer!, \lstinline!Boolean!, or enumeration types.
+  Binding equations of the form \lstinline!x1 = x2! are allowed for arrays independent of whether the index types of dimensions are subtypes of \lstinline!Integer!, \lstinline!Boolean!, or enumeration types.
 \end{itemize}
 
 % IMPROVETOP