Remove tests from blacklist for Vk AMD

From recent changes these should now all pass.

BUG=skia:6396

Change-Id: I4423de1a192017794a732e5bb6eeef7ccc87407c
Reviewed-on: https://skia-review.googlesource.com/10048
Reviewed-by: Ben Wagner <benjaminwagner@google.com>
Commit-Queue: Greg Daniel <egdaniel@google.com>
2 files changed