Revert "Enable FractionalScrollOffsets"

This reverts commit ad308d5f330861e1f19177c2b25a229f2e7ad488.

Reason for revert: Reverting since M78 is branching and this hasn't gone
through IntentToShip yet

Original change's description:
> Enable FractionalScrollOffsets
>
> This enables fractional scroll offsets which allows non-integer values
> in Blink's scrolling data structures.
>
> https://github.com/bokand/RenderingIndependentScrollOffsets/blob/master/README.md
>
> Bug: 414283
> Change-Id: I145899dd4a3ae9f3b3c936749fbe0b52cbc9ba3e
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1766355
> Auto-Submit: David Bokan <[email protected]>
> Commit-Queue: Nasko Oskov <[email protected]>
> Reviewed-by: Chris Harrelson <[email protected]>
> Reviewed-by: Nasko Oskov <[email protected]>
> Cr-Commit-Position: refs/heads/master@{#690942}

[email protected],[email protected],[email protected]

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: 414283
Change-Id: If35d080634a399f8d2425df1ea258bfe0e578685
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1785838
Reviewed-by: David Bokan <[email protected]>
Commit-Queue: David Bokan <[email protected]>
Cr-Commit-Position: refs/heads/master@{#693422}
2 files changed