Revert "Revert "remove the Thread Network HAL from the stage folder""

This reverts commit 06c521f24c8e396925bb1d30be9294ae0196190a.

Reason for revert: The reverted CL caused the issue b/287137082

Change-Id: I54f678f9b0c7979b56e895055d44ebde83a42a53
15 files changed