Merge "(reland) Retire obsolete kernel files" into main am: c943fe25e4

Original change: https://android-review.googlesource.com/c/platform/prebuilts/qemu-kernel/+/3424820

Change-Id: I903d0898883744fe33c27b412a499267c2995df9
Signed-off-by: Automerger Merge Worker <[email protected]>