[automerger skipped] remove the Thread Network HAL from the stage folder am: 1f6989f59f -s ours

am skip reason: Merged-In I7e4bf260c03dd0500725fec068747e3b3d05820c with SHA-1 125dffe136 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/23630006

Change-Id: I3fb44bea2ce339e2ca9a89e3e00bb04aabed060a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>