Revert "CHROMIUM: mesh: Update mesh metric calculation to upstream"

This reverts commit 669eb3b4ccc2dbfa5fb43be09b2693cf7b5a2165.

Reason for revert: The Mesh link broken logs shooted up from fleet wide dashboard after pushing this Cl, for further investigation, reverting this CL and observing the Mesh link broken signals on the fleet wide.

Original change's description:
> CHROMIUM: mesh: Update mesh metric calculation to upstream
>
> Move mesh metric calculation to upstream logic to align with
> latest sync
>
> Change-Id: I77af55ec8d5dd43033adbeb05df797bf37c88ccb
> Signed-off-by: Tamizh Chelvam <tamizhr@codeaurora.org>
> Signed-off-by: Maharaja Kennadyrajan <mkenna@codeaurora.org>
> Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/2391021
> Reviewed-by: Julan Hsu <julanhsu@google.com>
> Commit-Queue: Julan Hsu <julanhsu@google.com>
> Commit-Queue: Srinivasa duvvuri <sduvvuri@google.com>
> Tested-by: Srinivasa duvvuri <sduvvuri@google.com>

BUG=b:181670526

Change-Id: I59ece4dc46fb810a931aabd7bc4067cec72b3f9e
Signed-off-by: Dheeraj Kaniyala Melinapanja <dmelinapanja@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/2732408
Reviewed-by: Tamizh Raja <tamizhr@qualcomm.corp-partner.google.com>
Reviewed-by: Srinivasa duvvuri <sduvvuri@google.com>
Commit-Queue: Srinivasa duvvuri <sduvvuri@google.com>
Tested-by: Srinivasa duvvuri <sduvvuri@google.com>
(cherry picked from commit fd781b4ea215e222373da6f690e089c8d93f338d)
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/2746708
Auto-Submit: Srinivasa duvvuri <sduvvuri@google.com>
3 files changed