Remove legacy swiftshader

Issue cefsharp/CefSharp#4085

Author: amaitland

NuGet/cef.redist.nuspec

@@ -16,7 +16,6 @@
   </metadata>
   <files>
     <file src="..\cef_binary_3.y.z_$CPlatform$\$Configuration$\*.dll" target="CEF\" />
-    <file src="..\cef_binary_3.y.z_$CPlatform$\$Configuration$\swiftshader\*.dll" target="CEF\swiftshader" />
     <file src="..\cef_binary_3.y.z_$CPlatform$\$Configuration$\*.bin" target="CEF\" />
 	<file src="..\cef_binary_3.y.z_$CPlatform$\$Configuration$\*.json" target="CEF\" />
     <file src="..\cef_binary_3.y.z_$CPlatform$\Resources\*.pak" target="CEF\"/>

NuGet/chromiumembeddedframework.runtime.nuspec

@@ -26,11 +26,8 @@
     <!-- https://github.com/NuGet/Home/issues/7698#issuecomment-455368655 -->
     <!-- We have to copy swiftshader and locales via manually -->
     <file src="..\cef_binary_3.y.z_windows32\Resources\locales\*.pak" target="CEF\win-x86\locales"/>
-    <file src="..\cef_binary_3.y.z_windows32\$Configuration$\swiftshader\*.dll" target="CEF\win-x86\swiftshader" />
 	<file src="..\cef_binary_3.y.z_windows64\Resources\locales\*.pak" target="CEF\win-x64\locales"/>
-    <file src="..\cef_binary_3.y.z_windows64\$Configuration$\swiftshader\*.dll" target="CEF\win-x64\swiftshader" />
     <file src="..\cef_binary_3.y.z_windowsarm64\Resources\locales\*.pak" target="CEF\win-arm64\locales"/>
-    <file src="..\cef_binary_3.y.z_windowsarm64\$Configuration$\swiftshader\*.dll" target="CEF\win-arm64\swiftshader" />
     <file src="..\cef\LICENSE.txt" target="LICENSE.txt" />
     <file src="chromiumembeddedframework.runtime.json" target="runtime.json" />
 	<file src="chromiumembeddedframework.runtime.props" target="buildTransitive\" />

NuGet/chromiumembeddedframework.runtime.props

@@ -5,10 +5,7 @@
     -->  
   <ItemGroup>
     <CefRuntimeWin32Locales Include="$(MSBuildThisFileDirectory)..\CEF\win-x86\locales\*.*" />
-    <CefRuntimeWin32SwiftShader Include="$(MSBuildThisFileDirectory)..\CEF\win-x86\swiftshader\*.*" />
 	<CefRuntimeWin64Locales Include="$(MSBuildThisFileDirectory)..\CEF\win-x64\locales\*.*" />
-    <CefRuntimeWin64SwiftShader Include="$(MSBuildThisFileDirectory)..\CEF\win-x64\swiftshader\*.*" />
     <CefRuntimeWinArm64Locales Include="$(MSBuildThisFileDirectory)..\CEF\win-arm64\locales\*.*" />
-    <CefRuntimeWinArm64SwiftShader Include="$(MSBuildThisFileDirectory)..\CEF\win-arm64\swiftshader\*.*" />
   </ItemGroup>
 </Project>

build.ps1

@@ -729,7 +729,6 @@ try
 		# Create the folders for any that don't exist so the nuget packages are created with empty folders
 		# This can be removed once the new chromiumembeddedframework.runtime.resource package is created
 		[System.IO.Directory]::CreateDirectory([IO.Path]::Combine($platform.Folder, 'Resources','locales'))
-		[System.IO.Directory]::CreateDirectory([IO.Path]::Combine($platform.Folder, 'Release','swiftshader'))
 
 		if(!$platform.Enabled)
 		{