remove paragraph about ANF and let from the python version

book.tex

@@ -3340,7 +3340,8 @@ between atomic expressions and complex expressions can change and
 often does. The reason that these changes are behavior preserving is
 that the atomic expressions are pure.
 
-Another well-known form for intermediate languages is the
+{\if\edition\racketEd
+  Another well-known form for intermediate languages is the
 \emph{administrative normal form}
 (ANF)~\citep{Danvy:1991fk,Flanagan:1993cg}.
 \index{subject}{administrative normal form} \index{subject}{ANF}
@@ -3350,6 +3351,7 @@ right-hand side of a \code{let} to be a complex expression, such as
 another \code{let}. The flattening of nested \code{let} expressions is
 instead one of the responsibilities of the \code{explicate\_control}
 pass.
+\fi}
 
 {\if\edition\racketEd
 We recommend implementing this pass with two mutually recursive