Removing oldFormat bool if not relevant to the method

Some of the methods of the Utilities class using PgpLiteratalDataGenerator don't use the method for which useOldFormat is relevant. Removing oldFormat arg from method signature for those.

PgpCore/Utilities.cs

@@ -342,10 +342,9 @@ public static async Task WriteFileToLiteralDataAsync(
 			Stream output,
 			char fileType,
 			FileInfo file,
-			byte[] buffer,
-			bool useOldFormat = false)
+			byte[] buffer)
 		{
-			PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator(useOldFormat);
+			PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator();
 			Stream pOut = lData.Open(output, fileType, file.Name, file.LastWriteTime, buffer);
 			await PipeFileContentsAsync(file, pOut, buffer.Length);
 			lData.Close();
@@ -356,10 +355,9 @@ public static void WriteFileToLiteralData(
 			Stream output,
 			char fileType,
 			FileInfo file,
-			byte[] buffer,
-			bool useOldFormat = false)
+			byte[] buffer)
 		{
-			PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator(useOldFormat);
+			PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator();
 			Stream pOut = lData.Open(output, fileType, file.Name, file.LastWriteTime, buffer);
 			PipeFileContents(file, pOut, buffer.Length);
 			lData.Close();
@@ -396,10 +394,9 @@ public static async Task WriteStreamToLiteralDataAsync(
 			char fileType,
 			Stream input,
 			byte[] buffer,
-			string name,
-			bool useOldFormat = false)
+			string name)
 		{
-			PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator(useOldFormat);
+			PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator();
 			Stream pOut = lData.Open(output, fileType, name, DateTime.Now, buffer);
 			await PipeStreamContentsAsync(input, pOut, buffer.Length);
 			lData.Close();
@@ -410,10 +407,9 @@ public static void WriteStreamToLiteralData(
 			char fileType,
 			Stream input,
 			byte[] buffer,
-			string name,
-			bool useOldFormat = false)
+			string name)
 		{
-			PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator(useOldFormat);
+			PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator();
 			Stream pOut = lData.Open(output, fileType, name, DateTime.Now, buffer);
 			PipeStreamContents(input, pOut, buffer.Length);
 			lData.Close();