Revert "Convert build scripts to CMake (#13427)"

This reverts commit 354df17d16.

scripts/build-lshpack.ps1

@@ -0,0 +1,18 @@
+$ErrorActionPreference = 'Stop'  # Setting strict mode, similar to 'set -euo pipefail' in bash
+. (Join-Path $PSScriptRoot "env.ps1")
+
+Push-Location (Join-Path $BUN_DEPS_DIR 'ls-hpack')
+try {
+  Set-Location (mkdir -Force build)
+  
+  Run cmake .. @CMAKE_FLAGS `
+    -DCMAKE_BUILD_TYPE=Release `
+    -DLSHPACK_XXH=ON `
+    -DSHARED=0
+
+  Run cmake --build . --clean-first --config Release
+
+  Copy-Item ls-hpack.lib $BUN_DEPS_OUT_DIR/lshpack.lib
+
+  Write-Host "-> lshpack.lib"
+} finally { Pop-Location }