Clear windows branch; preserve previous contents in win-old

scripts/windows/build-native-texture.ps1

@@ -1,19 +0,0 @@
-[CmdletBinding()]
-param(
-    [Parameter(Mandatory=$true)][string]$DlssDll,
-    [string]$Kernel = 'hiluma_engine_output_depthinv_mvlo_hdr_max_v2_rel',
-    [string]$HipRoot = 'C:\Program Files\AMD\ROCm\7.2',
-    [string]$ZludaRoot,
-    [ValidateSet('cu','wgp')][string]$ShaderMode='cu',
-    [string]$GpuArch='gfx1201',
-    [string]$OutputDirectory
-)
-$ErrorActionPreference='Stop'
-. (Join-Path $PSScriptRoot 'gpu-target.ps1')
-[void](Get-D4RGpuTargetInfo $GpuArch)
-$repo=[IO.Path]::GetFullPath((Join-Path $PSScriptRoot '../..'))
-if (!$ZludaRoot) { $ZludaRoot=Join-Path $repo 'dist/zluda-windows-final' }
-if (!$OutputDirectory) { $OutputDirectory=Join-Path $repo "build/private-textures-$GpuArch" }
-& python (Join-Path $repo 'tools/windows/build_native_texture.py') --dlss-dll $DlssDll --hip-root $HipRoot `
-    --zluda-root $ZludaRoot --kernel $Kernel --output-directory $OutputDirectory --shader-mode $ShaderMode --gpu-arch $GpuArch
-if ($LASTEXITCODE) { throw "Native texture build failed ($LASTEXITCODE); inspect the output work directory." }