Remove extra param in log msg.

Author: weitzman

includes/batch.inc

@@ -282,7 +282,7 @@ function _drush_batch_worker() {
 
     // If we are in progressive mode, break processing after 1 second.
     if (drush_memory_limit() > 0 && (memory_get_usage() * 2) >= drush_memory_limit()) {
-      Drush::logger()->notice(dt("Batch process has consumed in excess of 50% of available memory. Starting new thread"), LogLevel::BATCH);
+      Drush::logger()->notice(dt("Batch process has consumed in excess of 50% of available memory. Starting new thread"));
       // Record elapsed wall clock time.
       $current_set['elapsed'] = round((microtime(TRUE) - $current_set['start']) * 1000, 2);
       break;