remove legacy clipbounds flag for android

BUG=skia:

Change-Id: Ie13c85bfbb5b1b173e8ac6a2fb0c9a23ea8ba7de
Reviewed-on: https://skia-review.googlesource.com/7583
Reviewed-by: Leon Scroggins <scroggo@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/gn/android_framework_defines.gni b/gn/android_framework_defines.gni
index 934e880..b693d28 100644
--- a/gn/android_framework_defines.gni
+++ b/gn/android_framework_defines.gni
@@ -16,5 +16,4 @@
   "SK_SUPPORT_LEGACY_SHADER_ISABITMAP",
   "SK_SUPPORT_LEGACY_EMBOSSMASKFILTER",
   "SK_SUPPORT_EXOTIC_CLIPOPS",
-  "SK_SUPPORT_LEGACY_GETCLIPBOUNDS",
 ]