Remove SkOSFile.cpp.

This file has been renamed SkOSPath.cpp and users no longer refer to the
old name. Remove this now empty file and its build rule.

Change-Id: I5041b61e749cc86f491b6c99b6744d7a0d4f9d1c
Reviewed-on: https://skia-review.googlesource.com/4766
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Ben Wagner <bungeman@google.com>
2 files changed