Revert of Add command buffer submits before copy calls in vulkan. (patchset #5 id...

Revert of Add command buffer submits before copy calls in vulkan. (patchset #5 id:80001 of https://codereview.chromium.org/2363773006/ )

Reason for revert:
breaking things since apparently nvidia != windows always...

Original issue's description:
> Add command buffer submits before copy calls in vulkan.
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2363773006
>
> Committed: https://skia.googlesource.com/skia/+/25661bac7722860b7589c5b01ec404531d941456

TBR=jvanverth@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review-Url: https://codereview.chromium.org/2373503004