Remove nonexistent properties from exception message. (#1593)

This was introduced in dd853ff but the named properties were never added.

Signed-off-by: Bradley Grainger <[email protected]>

Author: bgrainger

src/MySqlConnector/MySqlBulkLoader.cs

@@ -183,7 +183,7 @@ internal async ValueTask<int> LoadAsync(IOBehavior ioBehavior, CancellationToken
 		else
 		{
 			if (!Local)
-				throw new InvalidOperationException("Local must be true to use SourceStream, SourceDataTable, or SourceDataReader.");
+				throw new InvalidOperationException("Local must be true to use SourceStream.");
 
 			FileName = GenerateSourceFileName();
 			AddSource(FileName, Source!);