Remove Bootstrap logs from IcebergQueryRunner

Should significantly reduce log spam and diagnosing errors easier
through the Github Actions UI. ~75% of log messages seem to be from
the Bootstrap printing configuration values.

presto-iceberg/src/test/java/com/facebook/presto/iceberg/IcebergQueryRunner.java

@@ -290,6 +290,7 @@ private static void setupLogging()
         logging.setLevel("parquet.hadoop", WARN);
         logging.setLevel("org.apache.iceberg", WARN);
         logging.setLevel("com.facebook.airlift.bootstrap", WARN);
+        logging.setLevel("Bootstrap", WARN);
         logging.setLevel("org.apache.hadoop.io.compress", WARN);
     }