fix: error logs are too verbose

There were some extra logs when an error triggers an alarm that don't
need to be there.

src/backend/src/modules/core/AlarmService.js

@@ -112,7 +112,9 @@ class AlarmService extends BaseService {
      * @param {object} fields - Additional information about the alarm.
      */
     create (id, message, fields) {
-        this.log.error(`upcoming alarm: ${id}: ${message}`);
+        if ( this.config.log_upcoming_alarms ) {
+            this.log.error(`upcoming alarm: ${id}: ${message}`);
+        }
         let existing = false;
         /**
         * Method to create an alarm with the given ID, message, and fields.

src/backend/src/modules/core/ErrorService.js

@@ -92,9 +92,6 @@ class ErrorService extends BaseService {
         message = message ?? source?.message;
         logger = logger ?? this.backupLogger;
         logger.error(`Error @ ${location}: ${message}; ` + source?.stack);
-        if ( trace ) {
-            logger.error(source);
-        }
 
         if ( alarm ) {
             const alarm_id = `${location}:${message}`;