Revert "Add SkColorSpaceXform_skcms"

This reverts commit 67f62b1a61016ad07b44ae5a0bbf79d97adc9ba9.

Reason for revert: I want to investigate the image/colorimage gold diffs. May be correct, but some of them are pretty large.

Original change's description:
> Add SkColorSpaceXform_skcms
> 
> Currently only enabled in Skia dev builds. Passes all unit
> tests. Has some GM differences, but nothing major.
> 
> Bug: skia:
> Change-Id: Ib87f8cff44649c731e829f063ccef448d67d1910
> Reviewed-on: https://skia-review.googlesource.com/112520
> Commit-Queue: Brian Osman <brianosman@google.com>
> Reviewed-by: Mike Klein <mtklein@google.com>

TBR=mtklein@google.com,brianosman@google.com,reed@google.com

Change-Id: Ib4d7174f5c2700d6f742f488e740e5a6c87ac7a8
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:
Reviewed-on: https://skia-review.googlesource.com/113880
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/BUILD.gn b/BUILD.gn
index d88048c29f..0fd12512ba 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -726,12 +726,11 @@ optional("raw") {
 optional("skcms") {
   enabled = skia_use_skcms
 
-  public_defines = [ "SK_USE_SKCMS" ]
   deps = [
     "//third_party/skcms",
   ]
   sources = [
-    "src/core/SkColorSpaceXform_skcms.cpp",
+    # TODO
   ]
 }