Remove deprecated one-shot scripts and update first-boot configuration for improved provisioning</message>

<message>Delete obsolete one-shot scripts for setting screen rotation and wallpaper, as well as related Python and shell scripts. Update the first-boot configuration to streamline the provisioning process by removing references to these scripts. This cleanup enhances maintainability and focuses on the essential steps required for the first boot experience, ensuring a more efficient setup for users.

emmc-provisioning/cloud-init/fileserver/steps/09-reapply_splash.sh

@@ -0,0 +1,20 @@
+#!/bin/bash
+# Step 09: Re-apply Plymouth splash theme after driver install
+
+step_09_reapply_splash() {
+  local cfg="/boot/firmware/config.txt"
+  [[ -f "$cfg" ]] || cfg="/boot/config.txt"
+  if [[ -f "$cfg" ]] && grep -q '^disable_splash=1' "$cfg"; then
+    sed -i 's/^disable_splash=1$/disable_splash=0/' "$cfg"
+    log "Set disable_splash=0"
+  fi
+
+  if [[ -f /etc/plymouth/plymouthd.conf ]]; then
+    sed -i '/^Theme=/d; /^\[Daemon\]$/d' /etc/plymouth/plymouthd.conf
+    grep -q '^\[Daemon\]' /etc/plymouth/plymouthd.conf || echo '[Daemon]' >> /etc/plymouth/plymouthd.conf
+    echo 'Theme=custom' >> /etc/plymouth/plymouthd.conf
+  fi
+
+  log "Running update-initramfs ..."
+  update-initramfs -u -k all 2>/dev/null || true
+}