Fix pipeline failure due to the use of \np macros in a tabularx block in the DIA chapter

latex/NEMO/subfiles/chap_DIA.tex

@@ -786,28 +786,28 @@ will be automatically replaced if they correspond to any of the placeholders in
     \hline
     \hline
     \centering \texttt{@expname@} &
-    The experiment name (from \np{cn_exp}{cn\_exp} in the namelist) \\
+    The experiment name (from \texttt{cn\_exp} in the namelist) \\
     \hline
     \centering \texttt{@freq@}    &
     Output frequency (from XML attribute \texttt{output\_freq})     \\
     \hline
     \centering \texttt{@startdate@}        &
-    Starting date of the simulation (from \np{nn_date0}{nn\_date0} in the restart or the namelist).
+    Starting date of the simulation (from \texttt{nn\_date0} in the restart or the namelist).
     \newline
     \verb?yyyymmdd?          format                   \\
     \hline
     \centering \texttt{@startdatefull@}    &
-    Starting date of the simulation (from \np{nn_date0}{nn\_date0} in the restart or the namelist).
+    Starting date of the simulation (from \texttt{nn\_date0} in the restart or the namelist).
     \newline
     \verb?yyyymmdd_hh:mm:ss? format                    \\
     \hline
     \centering \texttt{@enddate@}          &
-    Ending date of the simulation   (from \np{nn_date0}{nn\_date0} and \np{nn_itend}{nn\_itend} in the namelist).
+    Ending date of the simulation   (from \texttt{nn\_date0} and \texttt{nn\_itend} in the namelist).
     \newline
     \verb?yyyymmdd?          format                    \\
     \hline
     \centering \texttt{@enddatefull@}      &
-    Ending date of the simulation   (from \np{nn_date0}{nn\_date0} and \np{nn_itend}{nn\_itend} in the namelist).
+    Ending date of the simulation   (from \texttt{nn\_date0} and \texttt{nn\_itend} in the namelist).
     \newline
     \verb?yyyymmdd_hh:mm:ss? format                    \\
     \hline