zed: functions: zed_log_err: forward to zed_log_msg

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Reviewed-by: Ryan Moeller <ryan@iXsystems.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13259

cmd/zed/zed.d/zed-functions.sh

@@ -76,8 +76,7 @@ zed_log_msg()
 #
 zed_log_err()
 {
-    logger -p "${ZED_SYSLOG_PRIORITY}" -t "${ZED_SYSLOG_TAG}" -- "error:" \
-        "${0##*/}:""${ZEVENT_EID:+" eid=${ZEVENT_EID}:"}" "$@"
+    zed_log_msg "error: ${0##*/}:""${ZEVENT_EID:+" eid=${ZEVENT_EID}:"}" "$@"
 }