Enable DPI aware setting in Lazarus demos for Windows

Cleanup some useless code in Lazarus demos for Windows

demos/Lazarus_Windows/TinyBrowser/TinyBrowser.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/TinyBrowser/TinyBrowser.lpr

@@ -7,10 +7,11 @@ uses
   uTinyBrowser in 'uTinyBrowser.pas',
   uCEFApplicationCore;
 
-{.$R *.res}
-
 {$R *.res}
 
+// CEF needs to set the LARGEADDRESSAWARE ($20) flag which allows 32-bit processes to use up to 3GB of RAM.
+{$IFDEF WIN32}{$SetPEFlags $20}{$ENDIF}
+
 begin
   CreateGlobalCEFApp;