[Sheriff] Revert "autocorrect: add UKM metrics for app compatibility"

This reverts commit d87d75ed9b670a571af78048d86539fb072c4142.

Reason for revert: suggest it broke "unit_tests" on builder "chromium/ci/Linux ChromiumOS MSan Tests"
first failure: https://ci.chromium.org/ui/p/chromium/builders/ci/Linux%20ChromiumOS%20MSan%20Tests/31810/overview

Original change's description:
> autocorrect: add UKM metrics for app compatibility
>
> A UKM metric is added to help identifying app compatibility issues with
> Autocorrect.
>
> UKM Collection Review:
> https://docs.google.com/document/d/1cuUzacgGL9e1dzM9jnPLMwAthqaFUXFKDJT8I9zZHvU/edit#heading=h.k5jx6iluw4yt
>
> Fixed: b:254358916
> Change-Id: I752ef53100beb02ce919369ba31ac1c55a0a47e9
> Bug: b:161490813
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4010438
> Reviewed-by: Darren Shen <shend@chromium.org>
> Commit-Queue: Mehrab N <mehrab@chromium.org>
> Reviewed-by: Yue Ru Sun <yrsun@chromium.org>
> Reviewed-by: Curtis McMullan <curtismcmullan@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#1069482}

Bug: b:161490813
Change-Id: I46edfb46593fc645a133da901ac1bf2d53669316
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4020213
Commit-Queue: Roman Sorokin <rsorokin@google.com>
Auto-Submit: Roman Sorokin <rsorokin@google.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Owners-Override: Roman Sorokin <rsorokin@google.com>
Cr-Commit-Position: refs/heads/main@{#1069676}