Fix static import of format method

With `MessageFormat.format` being imported instead of `String.format`,
the code would produce exception with %s not being replaced:

   Query failed: All properties [%s, %s, %s] must be set if any are set

presto-blackhole/src/main/java/com/facebook/presto/plugin/blackhole/BlackHoleMetadata.java

@@ -53,7 +53,7 @@
 import static com.facebook.presto.plugin.blackhole.BlackHoleConnector.SPLIT_COUNT_PROPERTY;
 import static com.facebook.presto.spi.StandardErrorCode.ALREADY_EXISTS;
 import static com.facebook.presto.spi.StandardErrorCode.INVALID_TABLE_PROPERTY;
-import static java.text.MessageFormat.format;
+import static java.lang.String.format;
 import static java.util.stream.Collectors.toList;
 import static java.util.stream.Collectors.toMap;
 import static java.util.stream.Collectors.toSet;