[input.iterators] Remove superfluous \newpage

Author: Andreas-Krug

source/iterators.tex

@@ -2161,8 +2161,6 @@
 should never attempt to pass through the same iterator twice;
 such an algorithm should be a single pass algorithm.
 
-\newpage
-
 \begin{note}
 For input iterators, \tcode{a == b} does not imply \tcode{++a == ++b}.
 (Equality does not guarantee the substitution property or referential transparency.)