[cpp.replace] Removed circular reference

Author: AlisdairM

source/preprocessor.tex

@@ -1508,7 +1508,7 @@
 to the identifiers listed in \tref{lex.name.special}, or
 to the \grammarterm{attribute-token}{s} described in~\ref{dcl.attr},
 except that the names \tcode{likely} and \tcode{unlikely} may be
-defined as function-like macros\iref{cpp.replace}.
+defined as function-like macros.
 
 \pnum
 If a