Replace the SetPEFlags code

Remove the outdated license text.
Use the main cef.inc file in all Delphi demos.
Fixed issue #493.

demos/Delphi_VCL/JavaScript/JSExtension/uSimpleTextViewer.dfm

@@ -12,9 +12,7 @@ object SimpleTextViewerFrm: TSimpleTextViewerFrm
   Font.Height = -11
   Font.Name = 'Tahoma'
   Font.Style = []
-  OldCreateOrder = False
   Position = poScreenCenter
-  PixelsPerInch = 96
   TextHeight = 13
   object Memo1: TMemo
     Left = 0