Bug 1774320 [wpt PR 34440] - Revert "Implementing grid-template-colum…

…ns/rows interpolation support", a=testonly

Automatic update from web-platform-tests
Revert "Implementing grid-template-columns/rows interpolation support"

This reverts commit b266b143ec994a7a97349cd2d54e18f52bf9534f.

Reason for revert: Potentially causing MSAN failures, example: https://ci.chromium.org/ui/p/chromium/builders/ci/WebKit%20Linux%20MSAN/15301/overview

Original change's description:
> Implementing grid-template-columns/rows interpolation support
>
> This CL adds new interpolation types to represent grid track lists and
> their track sizes, allowing interpolation of grid-template-columns and
> grid-template-rows. A more detailed explanation of the design can be
> found in this doc: https://docs.google.com/document/d/1byO4UU-gFRNrqAEuhL3AKgUuFprz4ZQYNEeXSF9T6w0/edit?usp=sharing
>
> Bug: 759665
> Change-Id: Iecef825cd843c60bf6268cdbfc2f9180c884f853
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3403003
> Reviewed-by: Ethan Jimenez <[email protected]>
> Commit-Queue: Ana Sollano Kim <[email protected]>
> Reviewed-by: Robert Flack <[email protected]>
> Cr-Commit-Position: refs/heads/main@{#1013983}

Bug: 759665
Change-Id: I0d708b9ea6faa0b4781aa190bd14a6190b63b6cf
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3704863
Owners-Override: Rakina Zata Amni <[email protected]>
Commit-Queue: Rakina Zata Amni <[email protected]>
Bot-Commit: Rubber Stamper <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1014226}

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wpt-commits: f136366d8030168358d722b22b80aadad3af6359
wpt-pr: 34440