arc-mesa: remove nyc reference from ebuild files

ARC++ NYC is no longer supported. All boards were migrated to Android
Pie.
This CL removes the NYC reference from the arc-mesa build file.

BUG=b:151958629
TEST=emerge-$BOARD arc-mesa (Mesa 19.0)
TEST=cros_workon-$BOARD start arc-mesa
     emerge-$BOARD arc-mesa (Mesa ToT)
     Compiles Ok. No further tests were done.

Change-Id: Ic8741a39be9f8fd4fe2ee5c4780e04d2d1bcb248
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/2286397
Tested-by: Ricardo Quesada <ricardoq@chromium.org>
Reviewed-by: Ilja H. Friedel <ihf@chromium.org>
Commit-Queue: Ricardo Quesada <ricardoq@chromium.org>
Auto-Submit: Ricardo Quesada <ricardoq@chromium.org>
3 files changed