clean up defines that do nothing

These are leftovers.  Should be a noop.

Change-Id: I9897841e63b417a63d6f2d681a8ac4ae50ebb485
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/399797
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>

gn/flutter_defines.gni

@@ -3,8 +3,6 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 flutter_defines = [
-  "SK_DISABLE_REDUCE_OPLIST_SPLITTING",
-
   # Flutter always wants this https://github.com/flutter/flutter/issues/11402
   "SK_ENABLE_DUMP_GPU",
 

modules/canvaskit/compile_gm.sh

@@ -150,7 +150,6 @@ echo "Generating final wasm"
 SKIA_DEFINES="
 -DSK_DISABLE_AAA \
 -DSK_FORCE_8_BYTE_ALIGNMENT \
--DGR_OP_ALLOCATE_USE_NEW \
 -DSK_HAS_WUFFS_LIBRARY \
 -DSK_HAS_HEIF_LIBRARY \
 -DSK_ENCODE_WEBP \

public.bzl

@@ -720,8 +720,6 @@ def base_defines(os_conditions):
         "SK_BUILD_FOR_GOOGLE3",
         # Required for building dm.
         "GR_TEST_UTILS",
-        # Google3 probably doesn't want this feature yet
-        "SK_DISABLE_REDUCE_OPLIST_SPLITTING",
         # Staging flags for API changes
         "SK_PARAGRAPH_GRAPHEME_EDGES",
         # Should remove after we update golden images