Fix a bug for 9.2.15 and delete the debug method in lib/utils.sh

bin/hardening/9.2.15_pam_printlastlog_to_showfailed_lastlog.sh

@@ -53,7 +53,7 @@ apply () {
         apt_install $PACKAGE
     elif [ $FNRET = 2 ]; then
         warn "$PATTERN is not present in $FILE"
-        add_line_file_before_pattern $FILE "password [success=1 default=ignore] pam_unix.so obscure sha512" "# pam-auth-update(8) for details."
+        add_line_file_before_pattern $FILE "session optional pam_lastlog.so showfailed" "# pam-auth-update(8) for details."
     elif [ $FNRET = 3 ]; then
         crit "$FILE is not exist, please check"
     elif [ $FNRET = 4 ]; then

lib/utils.sh

@@ -568,7 +568,6 @@ check_no_param_option_by_pam()
     
     if [ -f "$LOCATION" ];then
         RESULT=$(sed -e '/^#/d' -e '/^[ \t][ \t]*#/d' -e 's/#.*$//' -e '/^$/d' $LOCATION | grep "$KEYWORD.*$OPTION" | wc -l)
-        echo $RESULT
         if [ "$RESULT" -eq 1 ]; then
             debug "$KEYWORD $OPTION is conf"
             FNRET=0