Cleanup kernel handling logic in create base image tool.

- Bug: b/446172232

Author: ser-io

tools/baseimage/cmd/create_gce_x86_64_image/main.go

@@ -95,28 +95,16 @@ func createImageMain(project, zone string) error {
 		dstname string
 		content string
 	}{
-		{"update_kernel.sh", scripts.UpdateKernel},
-		{"remove_old_kernel.sh", scripts.RemoveOldKernel},
 		{"mount_attached_disk.sh", scripts.MountAttachedDisk},
 		{"install_nvidia.sh", scripts.InstallNvidia},
 		{"create_base_image_main.sh", scripts.CreateBaseImageMain},
 	}
 	for _, s := range list {
 		if err := gce.UploadBashScript(project, zone, insName, s.dstname, s.content); err != nil {
-			return fmt.Errorf("error uploading update_kernel.sh: %v", err)
+			return fmt.Errorf("error uploading script: %v", err)
 		}
 	}
 	// Execute Scripts
-	if err := gce.RunCmd(project, zone, insName, "./update_kernel.sh"); err != nil {
-		return err
-	}
-	time.Sleep(2 * time.Minute) // update kernel script ends up rebooting the instance
-	if err := gce.WaitForInstance(project, zone, insName); err != nil {
-		return fmt.Errorf("waiting for instance error: %v", err)
-	}
-	if err := gce.RunCmd(project, zone, insName, "./remove_old_kernel.sh"); err != nil {
-		return err
-	}
 	if err := gce.RunCmd(project, zone, insName, "./create_base_image_main.sh"); err != nil {
 		return err
 	}

tools/baseimage/pkg/gce/scripts/scripts.go

@@ -14,23 +14,6 @@
 
 package scripts
 
-// https://cs.android.com/android/platform/superproject/main/+/main:device/google/cuttlefish/tools/update_gce_kernel.sh;drc=7f601ad9132960b58ee3d7fe8f8b382d20720a22
-const UpdateKernel = `#!/usr/bin/env bash
-set -o errexit -o nounset -o pipefail
-
-sudo apt update
-sudo apt install -t bookworm -y linux-image-cloud-amd64
-sudo reboot
-`
-
-// https://cs.android.com/android/platform/superproject/main/+/main:device/google/cuttlefish/tools/update_gce_kernel.sh;drc=7f601ad9132960b58ee3d7fe8f8b382d20720a22
-const RemoveOldKernel = `#!/usr/bin/env bash
-set -o errexit -o nounset -o pipefail
-
-dpkg --list | grep -v $(uname -r) | grep -E 'linux-image-[0-9]|linux-headers-[0-9]' | awk '{print $2" "$3}' | sort -k2,2 | awk '{print $1}' | xargs sudo apt-get -y purge
-sudo update-grub2
-`
-
 // Mount attached disk `/dev/sdb1` at `/mnt/image`.
 const MountAttachedDisk = `#!/usr/bin/env bash
 set -o errexit -o nounset -o pipefail