Unnecessary comments

Signed-off-by: Nico Piel <nico.piel@hotmail.de>

Author: NicoPiel

donkey/src/main/java/com/mirth/connect/donkey/server/data/jdbc/JdbcDao.java

@@ -2935,8 +2935,6 @@ private Map<Long, Map<Integer, Map<String, Object>>> getMetaDataMaps(String chan
             statement = connection.prepareStatement(querySource.getQuery("getMetaDataMapByMessageId", values));
             resultSet = statement.executeQuery();
 
-            // Cache column types and names once — the schema is the same for every row,
-            // so calling getColumnType()/getColumnName() per row is wasteful.
             ResultSetMetaData resultSetMetaData = resultSet.getMetaData();
             int columnCount = resultSetMetaData.getColumnCount();
             MetaDataColumnType[] columnTypes = new MetaDataColumnType[columnCount];