Enable DPI aware setting in Lazarus demos for Windows

Cleanup some useless code in Lazarus demos for Windows

demos/Lazarus_Windows/JavaScript/JSExtensionSubProcess/JSExtension.lpi

@@ -16,6 +16,9 @@
       <UseAppBundle Value="False"/>
       <ResourceType Value="res"/>
       <UseXPManifest Value="True"/>
+      <XPManifest>
+        <DpiAware Value="True/PM_V2"/>
+      </XPManifest>
     </General>
     <BuildModes Count="1">
       <Item1 Name="Default" Default="True"/>

demos/Lazarus_Windows/JavaScript/JSExtensionSubProcess/JSExtension.lpr

@@ -10,10 +10,8 @@ uses
   uJSExtension in 'uJSExtension.pas' {JSExtensionFrm},
   uSimpleTextViewer in 'uSimpleTextViewer.pas' {SimpleTextViewerFrm};
 
-{.$R *.res}
-
-// CEF3 needs to set the LARGEADDRESSAWARE flag which allows 32-bit processes to use up to 3GB of RAM.
-{$SetPEFlags $20}
+// CEF needs to set the LARGEADDRESSAWARE ($20) flag which allows 32-bit processes to use up to 3GB of RAM.
+{$IFDEF WIN32}{$SetPEFlags IMAGE_FILE_LARGE_ADDRESS_AWARE}{$ENDIF}
 
 {$R *.res}
 

demos/Lazarus_Windows/JavaScript/JSExtensionSubProcess/uJSExtension.lfm

@@ -10,10 +10,11 @@ object JSExtensionFrm: TJSExtensionFrm
   Font.Color = clWindowText
   Font.Height = -11
   Font.Name = 'Tahoma'
+  Position = poScreenCenter
+  LCLVersion = '4.0.0.4'
   OnCloseQuery = FormCloseQuery
   OnCreate = FormCreate
   OnShow = FormShow
-  Position = poScreenCenter
   object NavControlPnl: TPanel
     Left = 0
     Height = 21

demos/Lazarus_Windows/JavaScript/JSExtensionSubProcess/uJSExtension.pas

@@ -7,13 +7,8 @@
 interface
 
 uses
-  {$IFDEF DELPHI16_UP}
-  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
-  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Vcl.ExtCtrls, Vcl.ComCtrls,
-  {$ELSE}
   LCLIntf, LCLType, LMessages, Messages, SysUtils, Variants, Classes, Graphics,
   Controls, Forms, Dialogs, StdCtrls, ExtCtrls, ComCtrls,
-  {$ENDIF}
   uCEFChromium, uCEFWindowParent, uCEFInterfaces, uCEFApplication, uCEFTypes, uCEFConstants,
   uCEFWinControl;
 

demos/Lazarus_Windows/JavaScript/JSExtensionSubProcess/uSimpleTextViewer.lfm

@@ -13,7 +13,7 @@ object SimpleTextViewerFrm: TSimpleTextViewerFrm
   Font.Height = -11
   Font.Name = 'Tahoma'
   Position = poScreenCenter
-  LCLVersion = '2.0.1.0'
+  LCLVersion = '4.0.0.4'
   object Memo1: TMemo
     Left = 0
     Height = 572

demos/Lazarus_Windows/JavaScript/JSExtensionSubProcess/uSimpleTextViewer.pas

@@ -5,14 +5,8 @@ unit uSimpleTextViewer;
 interface
 
 uses
-  {$IFDEF DELPHI16_UP}
-  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
-  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls;
-  {$ELSE}
   LCLIntf, LCLType, LMessages, Messages, SysUtils, Variants, Classes, Graphics,
   Controls, Forms, Dialogs, StdCtrls;
-  {$ENDIF}
-
 
 type
   TSimpleTextViewerFrm = class(TForm)