use text reference to section on domain configuration instead of cross ref, to...

use text reference to section on domain configuration instead of cross ref, to avoid missing ref in other manuals

latex/global/coding_rules.tex

@@ -484,7 +484,7 @@ unnecessary computation and a reduction in communications.
 The configuration defines the domain and the grid on which \NEMO\ is running.  From 4.2
 onwards, all configuration-specific settings should be read from variables in, or
 attributes of, the domain configuration file (or set in \texttt{usrdef} supplied
-subroutines). See \autoref{subsec:DOM_config} for more details.
+subroutines). See section "Spatial domain configuration" of the NEMO Manual for more details.
 
 \subsection{Constants}