Update build.ps1

Author: prikolium-cfx

build/build.ps1

@@ -16,8 +16,6 @@ Write-Host "Mount directory: $MOUNT_DIR"
 Invoke-Expression "subst X: /D" -ErrorAction SilentlyContinue
 Invoke-Expression "subst X: $MOUNT_DIR" -ErrorAction SilentlyContinue
 
-Get-ChildItem X:\
-
 # Define more variables using the new drive mapping
 $DOWNLOAD_DIR = "X:\chromium_git"
 $DEPOT_TOOLS_DIR = "X:\depot_tools"