Remove long-running sk_linear_to_srgb test for ASAN in public.bzl.

This unit test takes >~5m and causes the ASAN test to time out.

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2175303002

Review-Url: https://codereview.chromium.org/2175303002
1 file changed