Shopfloor Display: move kiosk app install to preinstall system

Install-KioskApp.cmd wrapper reads display-type.txt and runs the
matching Inno Setup installer (Lobby or Dashboard). Replaces the
standalone 09-Setup-Display.ps1 for uniform app install pipeline.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

playbook/shopfloor-setup/Display/09-Setup-Display.ps1

@@ -1,45 +1,9 @@
-# 09-Setup-Display.ps1 -- Display-specific setup (runs after Shopfloor baseline)
-# Reads display-type.txt to install either LobbyDisplay or Dashboard kiosk app.
-
-$enrollDir = "C:\Enrollment"
-$typeFile  = Join-Path $enrollDir "display-type.txt"
-$setupDir  = Split-Path -Parent $MyInvocation.MyCommand.Path
-
-if (-not (Test-Path $typeFile)) {
-    Write-Warning "No display-type.txt found - skipping display setup."
-    return
-}
-
-$displayType = (Get-Content $typeFile -First 1).Trim()
-Write-Host "=== Display Setup: $displayType ==="
-
-switch ($displayType) {
-    "Lobby" {
-        $installer = Join-Path $setupDir "GEAerospaceLobbyDisplaySetup.exe"
-        $appName = "Lobby Display"
-    }
-    "Dashboard" {
-        $installer = Join-Path $setupDir "GEAerospaceDashboardSetup.exe"
-        $appName = "Dashboard"
-    }
-    default {
-        Write-Warning "Unknown display type: $displayType"
-        return
-    }
-}
-
-if (-not (Test-Path $installer)) {
-    Write-Warning "$appName installer not found at $installer - skipping."
-    return
-}
-
-Write-Host "Installing $appName..."
-$proc = Start-Process -FilePath $installer -ArgumentList '/VERYSILENT', '/SUPPRESSMSGBOXES', '/NORESTART', "/LOG=C:\Enrollment\$appName-install.log" -Wait -PassThru
-
-if ($proc.ExitCode -eq 0) {
-    Write-Host "$appName installed successfully."
-} else {
-    Write-Warning "$appName exited with code $($proc.ExitCode). Check C:\Enrollment\$appName-install.log"
-}
-
-Write-Host "=== Display Setup Complete ==="
+# 09-Setup-Display.ps1 -- Display-specific setup (runs after Shopfloor baseline)
+#
+# Kiosk app installation moved to preinstall.json (Install-KioskApp.cmd wrapper).
+# The wrapper reads display-type.txt and installs the matching kiosk app during
+# the baseline preinstall phase (00-PreInstall-MachineApps.ps1).
+#
+# This script is intentionally empty. Remove it once confirmed working.
+
+Write-Host "=== Display Setup: kiosk app installed via preinstall system ==="