Revert "Send max coverage limit for subpixel rects"

This reverts commit 4b29d420420c39ed857daa308abd06f66f30c66a.

Reason for revert: Actual reason why Chrome layout test was failing

Original change's description:
> Send max coverage limit for subpixel rects
> 
> Bug: skia:
> Change-Id: Ieb702747c48ea70811d6ce780d2e339780f00806
> Reviewed-on: https://skia-review.googlesource.com/c/173642
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Commit-Queue: Michael Ludwig <michaelludwig@google.com>

TBR=bsalomon@google.com,csmartdalton@google.com,michaelludwig@google.com

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

Bug: skia:
Change-Id: I8bb137298393d01906c0b0f44d354e03acb528f5
Reviewed-on: https://skia-review.googlesource.com/c/173981
Reviewed-by: Michael Ludwig <michaelludwig@google.com>
Commit-Queue: Michael Ludwig <michaelludwig@google.com>
4 files changed