Remove skia.conf from .gitignore

BUG=skia:

GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=3962

Change-Id: I2b4d9afda4a5cb393a52f34070ede03da170ee74
Reviewed-on: https://skia-review.googlesource.com/3962
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
1 file changed