docs: rely on keys for ssh access in xCAT recipe
@@ -39,18 +39,6 @@ and autoconfigure} compute hosts.
\end{tcolorbox}
\end{center}
-
-Next, we set root password for {\em compute} nodes. Note that \xCAT{} sets up
-\texttt{ssh} keys to enable passwordless logins for root across the cluster
-so the password is mainly used for privilege escalation and direct logins into
-the nodes.
-
-% begin_ohpc_run
-% ohpc_validation_comment Set default root password
-\begin{lstlisting}[language=bash,keywords={},upquote=true,basicstyle=\footnotesize\ttfamily,]
-[sms](*\#*) chtab key=system passwd.username=root passwd.password=cluster
-\end{lstlisting}
-% end_ohpc_run
\noindent \xCAT{} requires a network domain name specification for system-wide name
resolution. This value can be set to match your local DNS schema or given a
unique identifier such as ``local''. In this recipe, we leverage the
