Revert "Add support for writing ICC profiles to webp encoder"

Revert "Add support for writing ICC profiles to webp encoder"

This reverts commit 0c9d0b4e03b6c10778329e995b5dfdcb97954b28.

Reason for revert: Looks like it's breaking a number of bots.

Original change's description:
> Add support for writing ICC profiles to webp encoder
>
> Bug: skia:
> Change-Id: If0a8f84ed88da96924370b841f2283c0ff8e32ab
> Reviewed-on: https://skia-review.googlesource.com/10212
> Commit-Queue: Matt Sarett <msarett@google.com>
> Reviewed-by: Leon Scroggins <scroggo@google.com>
>

TBR=msarett@google.com,scroggo@google.com,reviews@skia.org,jzern@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Change-Id: Ic06ad9f19a4d743b34f8d3bd33f171b9d74badcb
Reviewed-on: https://skia-review.googlesource.com/11408
Reviewed-by: Jim Van Verth <jvanverth@google.com>
Commit-Queue: Jim Van Verth <jvanverth@google.com>